Castañeda-Avila, Maira A., et al. “Chlamydia Trachomatis and Human Papillomavirus Serostatus in Puerto Rican Women”. Puerto Rico Health Sciences Journal, vol. 39, no. 1, Mar. 2020, pp. 28-33, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1995.