title: [83rd Congress of the French Surgical Society (Paris, 21-24 September 1981). First report. Primary retroperitoneal tumors. 683 cases].
mesh_terms: D000328:Adult; D002648:Child; D003226:Congresses as Topic; D005260:Female; D005602:France; D013502:General Surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000628:therapy; D012955:Societies, Medical
vernacular_title: LXXXIIIe congrès de l'Association française de Chirurgie (Paris, 21-24 Septembre 1981). Premier Rapport. Les tumeurs rétropéritonéales primitives. 683 observations.