Gutiérrez R, Eliette Patricia, Lissette del Pilar Rubí Ortíz, and Orlando Mayorga Pérez. “Seroprevalence of HIV/AIDS in Sex Workers and Drivers of Heavy Transport from the City of León”. Universitas (León): Revista Científica de la UNAN León 2, no. 2 (November 4, 2008): 39–45. Accessed October 19, 2024. https://camjol.info/index.php/UNIVERSITAS/article/view/1654.