Acosta-Andrade, A., S. Cedeño-Rodríguez, H. Loor-Andrade, K. Yépez-Yépez, and M. Zambrano-Zambrano. “Oral Health During Pregnancy: Artículo De revisión bibliográfica”. GESTAR Arbitrated Scientific Journal in Health Research. ISSN: 2737-6273., vol. 4, no. 7, Jan. 2021, pp. 23-38, http://journalgestar.org/index.php/gestar/article/view/22.