Atamanalp, Sabri Selcuk, Esra Disci, and Refik Selim Atamanalp. “Sigmoid Volvulus: Comorbidity With Sigmoid Gangrene: Sigmoid Volvulus and Sigmoid Gangrene”. Pakistan Journal of Medical Sciences 35, no. 1 (January 24, 2019). Accessed March 29, 2024. https://www.pjms.org.pk/index.php/pjms/article/view/295.