title: Comparison of the effects of several calcium antagonistic drugs (slow-channel blockers) on the electrical and mechanical activities of guinea pig papillary muscle.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002121:Calcium Channel Blockers / Q000494:pharmacology*; D004594:Electrophysiology; D005260:Female; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D007545:Isoproterenol / Q000494:pharmacology; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects; D009543:Nifedipine / Q000031:analogs & derivatives / Q000494:pharmacology; D010210:Papillary Muscles / Q000187:drug effects; D014700:Verapamil / Q000494:pharmacology
chemical_list: D002121:Calcium Channel Blockers; D014700:Verapamil; C036653:mesudipine; D009543:Nifedipine; D007545:Isoproterenol