Velásquez Gaviria, Oscar Jaime, and Gustavo Hernán Martínez Gómez. “Acquired Immunodeficiency Syndrome AIDS”. Medicina UPB 3, no. 1 (June 15, 1984): 26–37. Accessed June 4, 2026. https://revistas.upb.edu.co/index.php/medicina/article/view/6350.