title: Calcium channel blockers: verapamil and nifedipine.
mesh_terms: D002118:Calcium / Q000502:physiology; D002318:Cardiovascular Diseases / Q000188:drug therapy*; D006801:Humans; D009543:Nifedipine / Q000627:therapeutic use*; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D014700:Verapamil; D009543:Nifedipine; D002118:Calcium