title: [Biological assay of negative inotropic agents contained in the plasma using the excitation-contraction coupling mechanism].
mesh_terms: D000818:Animals; D001014:Aortic Aneurysm / Q000201:enzymology; D001681:Biological Assay / Q000379:methods*; D000252:Calcium-Transporting ATPases / Q000097:blood*; D006801:Humans; D066298:In Vitro Techniques; D009200:Myocardial Contraction; D009210:Myofibrils / Q000201:enzymology; D051381:Rats; D012519:Sarcoplasmic Reticulum / Q000201:enzymology
chemical_list: D000252:Calcium-Transporting ATPases