MARIN ARIAS, L.; UREÑA CASCANTE, M. E.; FERNÁNDEZ ROJAS, X. Duration of exclusive breastfeeding in an urban and rural community in Costa Rica. Población y Salud en Mesoamérica, [S. l.], v. 15, n. 2, 2017. DOI: 10.15517/psm.v15i2.26408. Disponível em: https://revistas.ucr.ac.cr/index.php/psm/article/view/26408. Acesso em: 7 dec. 2022.