title: Drugs, performance and responses to exercise in the racehorse. 1. Physiological observations on the cardiac and respiratory responses.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000209:etiology / Q000662:veterinary; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006734:Horse Diseases / Q000209:etiology; D006736:Horses / Q000502:physiology*; D005082:Physical Exertion; D010809:Physical Fitness; D012119:Respiration; D013997:Time Factors