title: [Changes of action potential in human papillary muscles by methoxyverapamil (author's transl)].
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D002121:Calcium Channel Blockers / Q000494:pharmacology*; D005711:Gallopamil / Q000494:pharmacology*; D006801:Humans; D066298:In Vitro Techniques; D007473:Ion Channels / Q000187:drug effects; D010210:Papillary Muscles / Q000187:drug effects*; D014700:Verapamil / Q000031:analogs & derivatives*
chemical_list: D002121:Calcium Channel Blockers; D007473:Ion Channels; D005711:Gallopamil; D014700:Verapamil