Tavara, L., Cárdenas, B., Becerra, C., Calderón, G., Panta, D., Esteban, I., Luyo Vallejos, N., Neves, M., Pérez, M., Pinto, N., Saldarriaga, G., Sánchez, A., Santiváñez, R., Silva, C. and Vargas, J. 2015. Family planning requires special attention as strategy to reduce maternal mortality. The Peruvian Journal of Gynecology and Obstetrics . 57, 3 (Apr. 2015), 181–191. DOI:https://doi.org/10.31403/rpgo.v57i182.