Román, Milagros, et al. “Distribution of Naive (CD45R4+) and Memory (CD45RO+) T-Cells in HIV-Infected Puerto Rican Population”. Puerto Rico Health Sciences Journal, vol. 21, no. 3, Dec. 2012, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/869.