Zorrilla, Carmen D., et al. “Elimination of the Perinatal Transmission of HIV and Syphilis in Puerto Rico and Sustained Success since 2007: Convergence of Science, Women-Centered Care, and Policy”. Puerto Rico Health Sciences Journal, vol. 40, no. 1, Mar. 2021, pp. 12-18, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2244.