FERDOUS, S.; HUSSAIN, F.; HAYEE, S.; AKHTAR, N.; KHANAM, S.; BEGUM, K.; SULTANA, A. The effect of the maternal vitamin D level on the risk of spontaneous pregnancy loss in the first trimester. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 6, p. 2215–2220, 2021. DOI: 10.18203/2320-1770.ijrcog20212150. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/10188. Acesso em: 2 oct. 2025.