Wening, J V [Sigmoid endometriosis. A rare form of endometriosis externa from a surgical viewpoint]. [electronic resource] - Die Medizinische Welt Mar 1982 - 352-4 p. digital Publication Type: Case Reports; Journal Article ISSN: 0025-8512 Subjects--Topical Terms: AdultEndometriosis--diagnosisFemaleHumansRadiographySigmoid Neoplasms--diagnosis