title: Intracellular calcium and myocardial contractility. I. Influence of extracellular calcium.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D008861:Microsomes / Q000187:drug effects / Q000378:metabolism; D008928:Mitochondria / Q000378:metabolism; D009119:Muscle Contraction / Q000187:drug effects*; D009206:Myocardium / Q000378:metabolism; D010477:Perfusion; D011817:Rabbits; D013053:Spectrophotometry
chemical_list: D002118:Calcium