SARI, S. P.; YANWIRASTI, Y.; DESMAWATI, D. Relationship between topography of the residential area of breastfeeding mothers with zinc and calcium level in breast-milk in West Sumatera. International Journal of Research in Medical Sciences, [S. l.], v. 7, n. 5, p. 1833–1836, 2019. DOI: 10.18203/2320-6012.ijrms20191686. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/6330. Acesso em: 12 oct. 2025.