The relation of contractile enhancement to action potential change in canine myocardium.
D000200:Action Potentials; D000818:Animals; D005117:Cardiac Complexes, Premature; D004285:Dogs; D004594:Electrophysiology; D006321:Heart / Q000502:physiology*; D009119:Muscle Contraction; D009206:Myocardium; D010210:Papillary Muscles