ANAND, S.; JAGGI, R.; BALA, N. Serum magnesium levels in preterm labour in relation to socio-economic status. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 2, p. 552–556, 2022. DOI: 10.18203/2320-1770.ijrcog20220068. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/11285. Acesso em: 13 oct. 2025.