Álava Mariscal, E., Alfonzo Pérez, R., Díaz Vega, N., Morán Calderón, J. and Otero Tobar, L. 2021. Contraceptive most used by adolescents in the nested health unit of the province of los Ríos Republic of Ecuador Period 2018-2020. REDIELUZ. 11, 2 (Dec. 2021), 24-30. DOI:https://doi.org/10.5281/zenodo.6800224.