Analyze Diet

Topic:Horse Training

Horse training involves the systematic process of teaching horses specific behaviors and skills to enhance their performance and manageability. This process encompasses a variety of techniques and methods tailored to the individual horse's temperament, age, and intended use, such as riding, racing, or working. Training regimens aim to develop desired traits such as obedience, agility, and endurance while ensuring the horse's physical and mental well-being. This page compiles peer-reviewed research studies and scholarly articles that explore various aspects of horse training, including methodologies, behavioral outcomes, and the impact on equine welfare and performance.
Oral supplementation with superoxide dismutase in Standardbred trotters in training: a double-blind placebo-controlled study.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 375-381 doi: 10.1111/j.2042-3306.2010.00266.x
Notin C, Vallon L, Desbordes F, Leleu C.Intense physical exercise produces an excess of reactive oxygen species which can disturb the antioxidant/oxidant balance of the horse in training. Several classes of antioxidant dietary compounds have been suggested to provide health benefits and there is evidence that consumption of these products leads to a reduction in the expression of various pro-inflammatory and/or oxidative stress biomarkers. The recent development of a new galenic system allows the oral delivery of the antioxidant enzyme: superoxide dismutase (SOD). This has been developed from a specific melon variety with a particul...
Performance parameters and post exercise heart rate recovery in Warmblood sports horses of different performance levels.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 17-22 doi: 10.1111/j.2042-3306.2010.00260.x
Bitschnau C, Wiestner T, Trachsel DS, Auer JA, Weishaupt MA.Standardised exercise tests are used for fitness evaluation of sports horses. Standards are described for Thoroughbreds and Standardbreds; however, limited information is available for Warmbloods. Objective: To establish normative standards of performance parameters and heart rate recovery (HRR) in Warmblood riding horses of different levels of fitness using a submaximal incremental exercise test (SIET) performed on a treadmill. Methods: A SIET was carried out with 29 healthy and treadmill-accustomed Warmbloods: eleven 3-day event horses (TDE) and 18 horses from the National Equestrian Centre ...
The incidence and severity of gastric ulceration does not increase in overtrained Standardbred horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 58-61 doi: 10.1111/j.2042-3306.2010.00268.x
De Graaf-Roelfsema E, Keizer HA, Wijnberg ID, Van Der Kolk JH.Gastric ulceration can be caused by different pathophysiological mechanisms including dietary factors, psychological stress and exercise. Overtraining is a medical syndrome in performance horses associated with altered hormone levels, altered feed intake, altered behaviour and decreased performance. These components might lead to a higher incidence of gastric ulceration in overtrained horses. Objective: To investigate whether the incidence of gastric ulceration is increased in overtrained compared to control horses. Methods: A longitudinal training study with twelve 1.5 years old Standardbred ...
Factors contributing to plasma TCO2 and acid-base state in Ontario Standardbred racehorses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 592-600 doi: 10.1111/j.2042-3306.2010.00249.x
Waller AP, Pearson W, Lindinger MI.Standardbred and Thoroughbred racehorses around the world are tested for performance enhancing substances. Among these are blood alkalising substances that raise plasma pH and total carbon dioxide (TCO(2)) concentration. However, many horses have an elevated TCO(2) due to dietary, environmental and health concerns without having been administered an alkalising substance. Objective: The purposes of this study were to determine the acid-base profile of a cross section of Standardbred horses in racing/race training in Ontario and the main independent variables that contributed to acid-base state....
Plasma aldosterone concentration and cardiovascular response to low sodium intake in horses in training.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 329-334 doi: 10.1111/j.2042-3306.2010.00244.x
Jansson A, Johannisson A, Kvart C.Horses in training lose large amounts of sodium but little is known about the cardiovascular response to low sodium intake. Objective: To investigate the effect of low sodium intake on plasma aldosterone (pAldo) concentrations and the cardiovascular system of athletic horses, and to identify markers of low sodium intake. Methods: Seven Standardbred geldings in training (trained twice a week) were randomly offered a standardised diet supplemented (NaS, 58 mg Na/kg bwt) and not supplemented (NaN, 3 mg Na/kg bwt) with NaCl for 5 weeks in a changeover design. Blood samples were taken once a week a...
The effect of exercise regimens on racing performance in National Hunt racehorses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 624-629 doi: 10.1111/j.2042-3306.2010.00257.x
Ely ER, Price JS, Smith RK, Wood JL, Verheyen KL.A previous study has identified exercise undertaken during training to be associated with racing performance in flat racehorses. However, no such studies have been conducted in National Hunt (NH) horses. Objective: To determine whether exercise undertaken during training is associated with racing performance in NH racehorses. Methods: Data were collected as part of a larger study investigating injury occurrence in NH racehorses. Race records and daily exercise data were obtained from NH racehorses at 14 training yards. Canter, gallop and race distances accumulated in the 30 days preceding a 'c...
Effects of short-term training on thermoregulatory and sweat responses during exercise in hot conditions.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 135-141 doi: 10.1111/j.2042-3306.2010.00235.x
McCutcheon LJ, Geor RJ.There is evidence that extensive training in cool conditions results in improvements to heat dissipation that contribute to successful acclimatisation. In horses, the effects of a less extensive training regimen have not been determined. Objective: This study investigated whether 10 consecutive days of moderate intensity treadmill training in cool conditions would improve thermoregulatory and sweating responses of horses to exercise in the heat. Methods: Six unfit Thoroughbred horses completed a standardised treadmill exercise test (SET) in hot, dry conditions (32-34 °C, 45-55% RH) before (SE...
Hydration and electrolyte balance in horses during an endurance season.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 98-104 doi: 10.1111/j.2042-3306.2010.00198.x
Robert C, Goachet AG, Fraipont A, Votion DM, Van Erck E, Leclerc JL.Limited information exists about the physiological training-induced changes in electrolyte balance of horses competing in long distance endurance races. Objective: To determine the effects of endurance training and racing on hydration and electrolyte balance in horses. Methods: Blood and urine were sampled at rest in 8 endurance horses before training and after two 11 week training periods (T1 and T2). Each training was followed by a 120 km endurance ride and horses were sampled before, during and 2 h after the rides. Blood was analysed for packed cell volume (PCV), total protein (TP), urea, c...
Moderate and high intensity sprint exercise induce differential responses in COX4I2 and PDK4 gene expression in Thoroughbred horse skeletal muscle.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 576-581 doi: 10.1111/j.2042-3306.2010.00206.x
Hill EW, Eivers SS, McGivney BA, Fonseca RG, Gu J, Smith NA, Browne JA, MacHugh DE, Katz LM.The role of molecular signalling pathways in the phenotypic adaptation of skeletal muscle to different exercise stimuli in the Thoroughbred horse has not been reported previously. Objective: To examine CKM, COX4I1, COX4I2 and PDK4 gene expression following high intensity sprint and moderate intensity treadmill exercise stimuli in skeletal muscle of Thoroughbred horses. Methods: Two groups of trained 3-year-old Thoroughbred horses participated. Group A (n = 6 females, n = 3 males) participated in an incremental step test (moderate intensity) to fatigue or HR(max) on a Sato high speed treadmill ...
Comparison of net anaerobic energy utilisation estimated by plasma lactate accumulation rate and accumulated oxygen deficit in Thoroughbred horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 62-69 doi: 10.1111/j.2042-3306.2010.00261.x
Ohmura H, Mukai K, Takahashi T, Matsui A, Hiraga A, Jones JH.Accumulated O(2) deficit (AOD) and plasma lactate accumulation rate (PLAR) are alternative methods for estimating net anaerobic energy utilisation (NAEU) in exercising horses. How they compare or their accuracy is unknown. Objective: We hypothesised net anaerobic energy utilisation calculated by PLAR (NAUE(PLAR)) is equivalent to NAUE estimated by AOD (NAUE(AOD)). Methods: Six Thoroughbred horses ran at identical supramaximal speeds (118% aerobic capacity) until exhaustion for 2 runs while breathing normoxic (NO, 21% O(2)) or hyperoxic (HO, 26% O(2)) gas. Jugular blood was sampled at 15 s inte...
Effects of training on equine muscle fibres and monocarboxylate transporters in young Coldblooded Trotters.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 289-295 doi: 10.1111/j.2042-3306.2010.00274.x
Revold T, Mykkänen AK, Karlström K, Ihler CF, Pösö AR, Essén-Gustavsson B.Muscular changes caused by training are breed-specific and studies on the Norwegian-Swedish Coldblooded Trotter (NSCT) are limited. Knowledge about lactate-transporters in muscle in this light draught breed used for harness racing is lacking. Objective: To identify muscular changes associated with training in young NSCTs and investigate muscular distribution of the monocarboxylate transporter 1 (MCT1) and its ancillary protein CD147, which facilitate lactate transport across membranes. Methods: Nine horses were followed from the start of their training period until the end of their 3-year-old ...
Long-term effects of endurance training on total tract apparent digestibility, total mean retention time and faecal microbial ecosystem in competing Arabian horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 387-392 doi: 10.1111/j.2042-3306.2010.00188.x
Goachet AG, Varloud M, Philippeau C, Julliand V.In endurance horses, commonly fed 80% forage, energy is provided mainly by VFA produced in the hindgut during cell wall degradation, but cell wall digestibility has been reported to be impaired by exercise. Objective: To assess the influence of a long-term endurance conditioning on cell wall digestion in horses. Methods: The total tract apparent digestibility of dry matter, organic matter and fibrous constituents, solid and liquid total mean retention time and the faecal microbial ecosystem of purebred Arabian horses were measured for 2 years in 2 longitudinal experiments. Methods: Performed a...
The association of various speed indices to training responses in Thoroughbred flat racehorses measured with a global positioning and heart rate monitoring system.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 51-57 doi: 10.1111/j.2042-3306.2010.00272.x
Fonseca RG, Kenny DA, Hill EW, Katz LM.Fitness assessment can be challenging. The use of global positioning systems (GPS) with heart rate (HR) monitors has been promising; however, evaluation of speed parameters during training has not been reported. Objective: To evaluate speed indices during training in Thoroughbreds using a GPS-HR monitor. Methods: Thoroughbreds (n = 102) were assessed during training with data collected each work day (WD; sprinting). Speed indices evaluated included maximal velocity (V(max)), duration at V(max) (V(maxt)), acceleration rate (m/s(2)) from 800 m to V(max) (Acc800-V(max)), the distance (m) 6 (V(max...
Effects of competitive and noncompetitive showjumping on total and free iodothyronines, β-endorphin, ACTH and cortisol levels of horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 179-184 doi: 10.1111/j.2042-3306.2010.00264.x
Cravana C, Medica P, Prestopino M, Fazio E, Ferlazzo A.Limited knowledge exists about the differentiated effects of competitive and noncompetitive showjumping on thyroid function and relationships with hypothalamic-hypophysis-corticoadrenal hormones. Objective: To obtain preliminary data about differentiated effects of competitive and noncompetitive showjumping on total and free iodothyronines, β-endorphin, ACTH and cortisol of horses. Methods: Five trained healthy jumper horses were studied during competitive and noncompetitive showjumping, performed in the same circuit design over 10 fences of 1.10 m. Hormone levels before, 5 and 30 min post ex...
Oxygen consumption and gait variables of Arabian endurance horses measured during a field exercise test.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 1-5 doi: 10.1111/j.2042-3306.2010.00184.x
Cottin F, Metayer N, Goachet AG, Julliand V, Slawinski J, Billat V, Barrey E.Arabian horses have morphological, muscular and metabolic features designed for endurance races. Their gas exchange and gait variables were therefore measured during a field exercise test. This study presents original respiratory and locomotor data recorded in endurance horses under field conditions. Objective: Respiratory gas exchange ratio (RER) of Arabian horses at the speed required to win endurance races (18 km/h for 120-160 km) are <1 and running economy (RE) is also low in order to maintain exercise intensity using aerobic metabolism for long intervals. The purpose of this study was ...
Influence of shoes with different weights on the motion of the limbs in Icelandic horses during toelt at different speeds.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 451-454 doi: 10.1111/j.2042-3306.2010.00231.x
Rumpler B, Riha A, Licka T, Kotschwar A, Peham C.Weight boots are commonly used for Icelandic horses to increase the height of the flight arc of the forelimbs in toelt. Objective: To show the influence of weights and toelting speed on the height of the swing phase. Methods: Eight Icelandic horses (mean ± s.d. 12 ± 3 years old, 369 ± 46 kg) were used. Reflecting makers were placed on the dorsal side of each hoof. The motion was collected with a kinematic system (10 cameras, 120 Hz sample rate, 1.3 Mpixels resolution). The horses were ridden in toelt by 2 experienced riders on a treadmill at 2 different speeds (2.96 m/s ± 0.30 and 4.10 m/s...
Effect of intensive exercise on plasmatic neutrophil elastase level in eventing and endurance horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 12-16 doi: 10.1111/j.2042-3306.2010.00242.x
Lejeune JP, Sandersen C, Votion D, Caudron I, Vander Heyden L, Franck T, Ceusters J, Mouithys-Mickalad A, Niesten A, De La Rebière de Pouyade G....Intensive exercise induces a systemic inflammatory response characterised by an increase of blood neutrophil count and myeloperoxidase (MPO) release. Neutrophil elastase (NE) could also contribute to tissues lesions by its proteinase activities. Objective: To compare plasmatic NE concentrations before and after different forms of intensive exercise. Methods: EDTA blood samples were taken from 51 eventing horses (EvH) and 32 endurance horses (EndH) were sampled before the race (T0). Blood sampling was performed 2 h (T1) after completing either phase D of a one or 2 star eventing competition (n ...
Differences in the metabolic properties of gluteus medius and superficial digital flexor muscles and the effect of water treadmill training in the horse.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 665-670 doi: 10.1111/j.2042-3306.2010.00229.x
Borgia LA, Valberg SJ, Essen-Gustavsson B.Flexor tendon injury may be due to flexor muscle fatigue, contributing to fetlock joint hyperextension and tendon damage. A water treadmill provides resistance training on flexor tendon muscles, which might reduce the risk of tendon injury. Objective: To determine the effect of water treadmill training on the properties of the gluteal and superficial digital flexor (SDF) muscles and on cardiocirculatory response to a standardised exercise test. Methods: Five healthy unfit horses were trained on a water treadmill for 5 days/week for 4 weeks, starting with 5 min/day increasing to 20 min/day. Bef...
Effects of flunixin on cardiorespiratory, plasma lactate and stride length responses to intense treadmill exercise in Standardbred trotters.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 618-623 doi: 10.1111/j.2042-3306.2010.00298.x
Kallings P, Persson SG, Essén-Gustavsson B.Since nonsteroidal anti-inflammatory drugs, such as flunixin, on account of their anti-inflammatory and analgesic properties, are used in both racing and equestrian sport horses, the question has been raised as to whether these drugs affect the physiological responses to exercise and thus performance potential. Objective: The aims of this investigation were to study the effects of flunixin on cardiorespiratory, metabolic and locomotor parameters in horses during intense treadmill exercise. Methods: Six Standardbred trotters underwent an incremental treadmill exercise test to fatigue, without d...
Elimination from elite endurance rides in nine countries: a preliminary study.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 637-643 doi: 10.1111/j.2042-3306.2010.00220.x
Nagy A, Murray JK, Dyson S.Endurance is the fastest growing Féderation Équestre International (FEI) discipline and the large number of eliminations on veterinary grounds needs to be investigated. Objective: To document elimination rates and explore potential risk factors for elimination due to lameness or metabolic reasons in 9 countries representing 5 continents. Methods: Data for rides of ≥ 100 km ('elite endurance rides') in Australia, France, Italy, South Africa, Spain, United Arab Emirates (UAE), UK, Uruguay and USA were collected from the FEI website. Data were collected for all started horses on the country, ...
Dehydration, electrolyte imbalances and renin-angiotensin-aldosterone-vasopressin axis in successful and unsuccessful endurance horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 83-90 doi: 10.1111/j.2042-3306.2010.00211.x
Muñoz A, Riber C, Trigo P, Castejón-Riber C, Castejón FM.Limited information exists concerning the defence of homeostasis during endurance competitions and the relationship with performance. Objective: This research analysed renin (REN), angiotensin II (ANG), aldosterone (ALD) and vasopressin (AVP) in horses covering different distances, assesses differences between successful and eliminated horses and evaluates correlations between hydration status, renal function, electrolytes, REN, ANG, ALD and AVP. Methods: Packed cell volume (PCV), velocity and serum concentrations of REN, ANG, ALD, AVP, Na, K, Cl, Ca, Mg, P, creatine kinase, aspartate aminotra...
Muscle characteristics in young Norwegian-Swedish Coldblooded Trotters and associations with breeding index, body size and early training.
Equine veterinary journal    May 27, 2011   Volume 43, Issue 6 701-707 doi: 10.1111/j.2042-3306.2010.00335.x
Revold T, Ihler CF, Karlström K, Larsen S, Essén-Gustavsson B.The trotting speed of Norwegian-Swedish Coldblooded Trotters (NSCTs) is, although inferior to Standardbred speeds, gradually increasing. This development is mainly attributed to breeding progresses. Characteristics of the middle gluteal muscle have recently been described in a small number of these horses but the actual spread in muscle parameters within the population is unknown. Objective: To describe the characteristics of the middle gluteal muscle and their naturally occurring variability in young NSCT horses and investigate possible association with body size, individual breeding index an...
The workload and plasma ion concentration in a training match session of high-goal (elite) polo ponies.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 191-195 doi: 10.1111/j.2042-3306.2010.00278.x
Ferraz GC, Soares OA, Foz NS, Pereira MC, Queiroz-Neto A.This study was designed to consider the complexity of the physical effort inherent to horses in polo competitions and the absence of reports in the literature on the effort, intensity and electrolyte changes resulting from a collective team training session aimed at preparing for a polo championship. Objective: To determine the effort and ion changes caused by an outdoor polo training match for a 25 goal handicap (elite) based on physiological variables including acid-base status (venous pH, PCO(2) and HCO(3)(-)), packed cell volume (PCV), haemoglobin (Hb), lactate, glucose, sodium, chloride a...
Metacarpal geometry changes during Thoroughbred race training are compatible with sagittal-plane cantilever bending.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 407-411 doi: 10.1111/j.2042-3306.2010.00209.x
Merritt JS, Davies HM.Bending of the equine metacarpal bones during locomotion is poorly understood. Cantilever bending, in particular, may influence the loading of the metacarpal bones and surrounding structures in unique ways. Objective: We hypothesised that increased amounts of sagittal-plane cantilever bending may govern changes to the shape of the metacarpal bones of Thoroughbred racehorses during training. We hypothesised that this type of bending would require a linear change to occur in the combined second moment of area of the bones for sagittal-plane bending (I) during race training. Methods: Six Thorough...
A pilot study on objective quantification and anatomical modelling of in vivo head and neck positions commonly applied in training and competition of sport horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 436-443 doi: 10.1111/j.2042-3306.2010.00228.x
Elgersma AE, Wijnberg ID, Sleutjens J, van der Kolk JH, van Weeren PR, Back W.Head and neck positions (HNP) in sport horses are under debate in the equine community, as they could interfere with equine welfare. HNPs have not been quantified objectively and no information is available on their head and neck loading. Objective: To quantify in vivo HNPs in sport horses and develop o a model to estimate loading on the cervical vertebrae in these positions. Methods: Videos were taken of 7 Warmbloods at walk on a straight line in 5 positions, representing all HNPs during Warmblood training and competition. Markers were glued at 5 anatomical landmarks. Two-dimensional angles a...
Reviewe: Genetics and genomics in equine exercise physiology: an overview of the new applications of molecular biology as positive and negative markers of performance and health.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 561-568 doi: 10.1111/j.2042-3306.2010.00299.x
Barrey E.Equine breeding selection has been developed by applying quantitative genetic methods for calculating the heritability of the complex traits such as performance in racing or sport competitions. With the great development of biotechnologies, equine molecular genetics has come of age. The recent sequencing of the equine genome by an international consortium was a major advance that will impact equine genomics in the near future. With the rapid progress in equine genetics, new applications in early performance evaluation and the detection of disease markers become available. Many new biomolecular...
Influence of girth strap placement and panel flocking material on the saddle pressure pattern during riding of horses.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 502-509 doi: 10.1111/j.2042-3306.2010.00173.x
Byström A, Stalfelt A, Egenvall A, Von Peinen K, Morgan K, Roepstorff L.Saddle fit is well recognised as an important factor for the health and performance of riding horses. However, only few studies have addressed general effects of different saddle construction details within a group of horses. Objective: To assess the influence of girth strap placement, traditional vs. v-system, and panel flocking material, wool vs. synthetic foam, on the saddle pressure pattern during riding. Methods: Six horses were ridden by 3 riders in sitting and rising trot and sitting canter. Saddle pressure was measured with 3 different saddle variants: 1) wool flocked panels and tradit...
Acid-base imbalances during a 120 km endurance race compared by traditional and simplified strong ion difference methods.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 76-82 doi: 10.1111/j.2042-3306.2010.00213.x
Viu J, Jose-Cunilleras E, Armengou L, Cesarini C, Tarancón I, Rios J, Monreal L.Acid-base disturbances are traditionally assessed using the Henderson-Hasselbach equation. The simplified strong ion approach describes more accurately the complex acid-base and electrolyte abnormalities present in endurance horses. Objective: To describe acid-base and electrolytes changes in fit horses competing in a FEI*** 120 km endurance race and to compare the traditional vs. strong ion approaches. Methods: Thirty horses were initially enrolled in the study. Venous blood samples were obtained before the race (n = 25), at the second (n = 29; 65.4 km) and third vet-gates (n = 23, 97.4 km) a...
The relationship between massage to the equine caudal hindlimb muscles and hindlimb protraction.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 683-687 doi: 10.1111/j.2042-3306.2010.00279.x
Hill C, Crook T.Massage is widely used in physiotherapy, but there has been little previous research examining its effectiveness in increasing equine soft tissue length. Objective: To determine the effect of massage on equine hindlimb protraction. We hypothesised that massage to the caudal muscles of the equine hindlimb, specifically the superficial gluteal, semitendinosus, biceps femoris and semimembranosus muscles, can increase passive and active hindlimb protraction. Methods: The study used a crossover design in which 8 horses were randomly assigned to 2 groups of 4, A and B. Group A received massage for 3...
Assessment of the exercise tests used during overground endoscopy in UK Thoroughbred racehorses and how these may affect the diagnosis of dynamic upper respiratory tract obstructions.
Equine veterinary journal. Supplement    May 27, 2011   Issue 38 587-591 doi: 10.1111/j.2042-3306.2010.00281.x
Allen KJ, Franklin SH.Overground endoscopy is being performed with increasing frequency in the UK. A previous study has shown that the type of exercise test may affect the diagnosis of upper respiratory tract (URT) obstructions. The successful clinical application of overground endoscopy systems requires understanding of appropriate field exercise testing protocols. Objective: The aim of this study was to report the exercise test parameters used during overground endoscopy in UK Thoroughbred racehorses and to investigate potential effects of these on the diagnosis of URT obstructions. Methods: The exercise test par...
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