ORTÍZ-ÁVILA, E. Sociodemographic strata and patterns related to the first union and first motherhood in Mexico, 2018. Población y Salud en Mesoamérica, [S. l.], v. 18, n. 1, 2020. DOI: 10.15517/psm.v18i1.40350. Disponível em: https://revistas.ucr.ac.cr/index.php/psm/article/view/40350. Acesso em: 25 apr. 2024.