Skarda, R T Effects of training on resting and postexercise ECG in standardbred horses, using a standardized exercise test. [electronic resource] - American journal of veterinary research Dec 1976 - 1485-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9645 Subjects--Topical Terms: AnimalsElectrocardiography--veterinaryExercise Test--veterinaryFemaleHeart RateHorses--physiologyMalePhysical Conditioning, AnimalRest