Webster, J E Responses of the coronary arterial system of the horse to catecholamines. [electronic resource] - American journal of veterinary research Nov 1971 - 1677-85 p. digital Publication Type: Journal Article ISSN: 0002-9645 Subjects--Topical Terms: AnimalsCatecholamines--pharmacologyCoronary Vessels--drug effectsHorsesIsoproterenol--antagonists & inhibitorsNorepinephrine--antagonists & inhibitorsPropranolol--pharmacologySympatholytics--pharmacologyVascular Resistance--drug effectsVasoconstrictor Agents--pharmacologyVasodilator Agents--pharmacology