title: Positive inotropic effects of papaverine and aminophylline on isolated human atrial preparations.
mesh_terms: D000628:Aminophylline / Q000494:pharmacology*; D004347:Drug Interactions; D004558:Electric Stimulation; D006325:Heart Atria / Q000187:drug effects; D006801:Humans; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects*; D010208:Papaverine / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology; D013997:Time Factors
chemical_list: D000628:Aminophylline; D011433:Propranolol; D010208:Papaverine; D007545:Isoproterenol