title: Negative inotropic effect of elevated extracellular calcium in rat myocardium.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D003864:Depression, Chemical; D066298:In Vitro Techniques; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects*; D010210:Papillary Muscles / Q000502:physiology; D010477:Perfusion; D051381:Rats
chemical_list: D002118:Calcium