title: Idiopathic retroperitoneal fibrosis: clinical experiences with 15 cases, 1956-1967.
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D012185:Retroperitoneal Fibrosis / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D014513:Ureter / Q000601:surgery