title: Retroperitoneal fibrosis secondary to methysergide bimaleate.
mesh_terms: D006332:Cardiomegaly / Q000139:chemically induced; D005260:Female; D006801:Humans; D008784:Methysergide / Q000009:adverse effects*; D008875:Middle Aged; D008881:Migraine Disorders / Q000517:prevention & control; D012185:Retroperitoneal Fibrosis / Q000139:chemically induced*; D014567:Urography
chemical_list: D008784:Methysergide