title: Studies on heart. XVII Effects of frog heart inotropic substances on beating of rat myocardial cells in culture.
mesh_terms: D000818:Animals; D001001:Anura; D002478:Cells, Cultured; D006023:Glycoproteins / Q000494:pharmacology*; D008074:Lipoproteins / Q000494:pharmacology*; D009200:Myocardial Contraction / Q000187:drug effects*; D009206:Myocardium / Q000166:cytology; D051381:Rats; D013268:Stimulation, Chemical; D014020:Tissue Extracts
chemical_list: D006023:Glycoproteins; D008074:Lipoproteins; D014020:Tissue Extracts