Lutrin, D, H Etheredge, G Oettle, N Harran, O Taback, N Lahoud, and B Bebington. “A One Year Audit of the Colorectal Unit at Wits Donald Gordon Medical Centre: 2016–2017”. South African Journal of Surgery 57, no. 3 (June 26, 2019): 50-54. Accessed November 12, 2019. http://sajs.redbricklibrary.com/index.php/sajs/article/view/2863.