title: The effect of quinidine bis-(7-theophyline acetate) on the isolated papillary muscle of the rabbit heart.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004338:Drug Combinations; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects; D011802:Quinidine / Q000494:pharmacology*; D011817:Rabbits; D013806:Theophylline / Q000494:pharmacology*
chemical_list: D004338:Drug Combinations; D013806:Theophylline; D011802:Quinidine