title: [Effects of tetrandrine, verapamil and propranolol on contractility and cAMP level of isolated rabbit left atria].
mesh_terms: D000470:Alkaloids / Q000494:pharmacology*; D000818:Animals; D044182:Benzylisoquinolines; D002121:Calcium Channel Blockers / Q000494:pharmacology*; D000242:Cyclic AMP / Q000032:analysis*; D006325:Heart Atria; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D009206:Myocardium / Q000032:analysis; D011433:Propranolol / Q000494:pharmacology*; D011817:Rabbits; D014700:Verapamil / Q000494:pharmacology*
chemical_list: D000470:Alkaloids; D044182:Benzylisoquinolines; D002121:Calcium Channel Blockers; C009438:tetrandrine; D011433:Propranolol; D014700:Verapamil; D000242:Cyclic AMP