Calcium channel blockers and migraine.
D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy*; D009539:Nicotinic Acids / Q000627:therapeutic use*; D009553:Nimodipine; D014700:Verapamil / Q000627:therapeutic use*
D009539:Nicotinic Acids; D009553:Nimodipine; D014700:Verapamil