Alver, Olcay Internal herniation concurrent with ileosigmoid knotting or sigmoid volvulus: Presentation of 12 patients. [electronic resource] - Surgery Mar 2005 - 372-7 p. digital Publication Type: Journal Article ISSN: 0039-6060 Standard No.: 10.1016/j.surg.2004.07.008 doi Subjects--Topical Terms: AdolescentAdultAgedColon, Sigmoid--pathologyFemaleHernia, Abdominal--etiologyHumansIleum--pathologyIntestinal Obstruction--etiologyIntestinal Volvulus--complicationsMaleMiddle AgedRetrospective StudiesSigmoid Diseases--complications