title: Studies on the calcium antagonistic action of tetrandrine: IV. Effects of tetrandrine on isoproterenol and calcium-mediated positive chronotropic action in isolated rabbit atria.
mesh_terms: D000470:Alkaloids / Q000494:pharmacology*; D000818:Animals; D044182:Benzylisoquinolines; D002118:Calcium / Q000494:pharmacology*; D002121:Calcium Channel Blockers / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D006325:Heart Atria / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects*; D007545:Isoproterenol / Q000494:pharmacology*; D011817:Rabbits
chemical_list: D000470:Alkaloids; D044182:Benzylisoquinolines; D002121:Calcium Channel Blockers; C009438:tetrandrine; D007545:Isoproterenol; D002118:Calcium