Torres-Rivera B, Vallés V, Ríos-Olivares E. Prevalence of Primary and Secondary Resistant Mutations to Antiretroviral Drug in a Population of Puerto Rican Infected with HIV. PRHSJ [Internet]. 2012 Apr. 6 [cited 2025 Dec. 19];21(4). Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/753