Cerebrovascular aspects of headache.
D000532:Altitude Sickness / Q000150:complications; D001921:Brain / Q000098:blood supply*; D002561:Cerebrovascular Disorders / Q000150:complications; D003080:Cold Temperature / Q000009:adverse effects; D006259:Craniocerebral Trauma / Q000150:complications; D004691:Endarterectomy / Q000009:adverse effects; D005502:Food / Q000009:adverse effects; D013700:Giant Cell Arteritis / Q000150:complications; D006261:Headache / Q000209:etiology*; D006801:Humans; D006973:Hypertension / Q000150:complications; D006977:Hypertension, Renal / Q000150:complications; D008180:Lupus Erythematosus, Systemic / Q000150:complications; D008881:Migraine Disorders / Q000209:etiology; D005082:Physical Exertion; D012723:Sex; D014652:Vascular Diseases / Q000150:complications; D014653:Vascular Headaches / Q000139:chemically induced / Q000209:etiology