Pacheco Romero, José. “Information for Authors (Update 2018) - Spanish, English and Portuguese”. The Peruvian Journal of Gynecology and Obstetrics 64, no. 1 (April 12, 2018): 119–150. Accessed May 18, 2024. http://51.222.106.123/index.php/RPGO/article/view/2069.