M. Corti, M. F. Villafañe, E. Marona, and D. Lewi, “Anal squamous carcinoma: a new AIDS-defining cancer? Case report and literature review”, Rev. Inst. Med. Trop. São Paulo, vol. 54, no. 6, pp. 345–348, Dec. 2012, Accessed: May 07, 2024. [Online]. Available: https://revistas.usp.br/rimtsp/article/view/48429