Lutchminarian, K, and D Clarke. “The Microbiology of Ulcerative Skin Cancers: Does the Presence of Pathogenic Bacteria Increase the Risk of Postoperative Complications?”. South African Journal of Surgery 59, no. 1 (March 26, 2021): 25. Accessed April 16, 2021. http://sajs.redbricklibrary.com/index.php/sajs/article/view/3147.