title: Calcium, the heart, and calcium antagonists.
mesh_terms: D002118:Calcium / Q000502:physiology*; D002121:Calcium Channel Blockers / Q000627:therapeutic use*; D004594:Electrophysiology; D006321:Heart / Q000187:drug effects / Q000503:physiopathology; D006331:Heart Diseases / Q000188:drug therapy* / Q000503:physiopathology; D006801:Humans; D007473:Ion Channels
chemical_list: D002121:Calcium Channel Blockers; D007473:Ion Channels; D002118:Calcium