Studies of the chemical components of the conducting system of the heart. IV. Contractility of the atrioventricular conducting system.
D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D002021:Buffers; D002417:Cattle; D006329:Heart Conduction System / Q000032:analysis* / Q000187:drug effects / Q000502:physiology; D009119:Muscle Contraction / Q000187:drug effects / Q000502:physiology*
D002021:Buffers; D000255:Adenosine Triphosphate