Headache: methysergide therapy complicated by retroperitoneal fibrosis. Report of a case.
D000328:Adult; D006261:Headache / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008784:Methysergide / Q000009:adverse effects*; D012185:Retroperitoneal Fibrosis / Q000209:etiology*