MOHAMED HEFILA, N. Methylen tetrahydrofolate reductase enzyme gene C677T and A1298C mutations in primigravida with first trimester missed abortion: cross-sectional study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 3, p. 836–841, 2021. DOI: 10.18203/2320-1770.ijrcog20210492. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/9727. Acesso em: 27 oct. 2025.