Mohamed Hefila, Nermeen. “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 10, no. 3 (February 24, 2021): 836–841. Accessed July 9, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/9727.