title: The influence of frequency of stimulation and calcium concentrations on the contractile force of the rabbit papillary muscle.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D004347:Drug Interactions; D004558:Electric Stimulation; D005260:Female; D006632:Histamine / Q000494:pharmacology; D006801:Humans; D007545:Isoproterenol / Q000494:pharmacology; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects; D011817:Rabbits
chemical_list: D006632:Histamine; D007545:Isoproterenol; D002118:Calcium