KA, Ibrahima, Abib Diop, Aliou Coly Faye, Papa Saloum Diop, and Babacar Fall. “Corps Ѐtranger Du Sigmoïde: À Propos d’une Observation”. European Scientific Journal, ESJ 15, no. 27 (September 30, 2019): 305. Accessed May 1, 2024. https://eujournal.org/index.php/esj/article/view/12428.