A guide to headaches--and how to relieve their pain.
D000700:Analgesics / Q000008:administration & dosage; D003027:Cluster Headache / Q000188:drug therapy; D006261:Headache / Q000145:classification / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy; D014653:Vascular Headaches / Q000188:drug therapy
D000700:Analgesics