Jahan, N., Fatema, K., Das, T. R., Pervin, H. H., Sharmin, R. A., Majumder, D., Islam, F., Tamanna, T. and Nessa, M. (2025) “Vitamin B12 deficiency in pregnancy and its association with maternal and fetal outcomes”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 14(2), pp. 390–395. doi: 10.18203/2320-1770.ijrcog20250171.