Petersen Williams, Petal, Tara Carney, and Charles D.H. Parry. “Reducing Substance Use and Sexual Risk Behaviour Among Men Who Have Sex With Men in South Africa”. South African Journal of Science 112, no. 9/10 (September 28, 2016): 5. Accessed December 2, 2024. https://sajs.co.za/article/view/3599.