Kumari, A., Mitra, S., Tiwari, H.C. and Srivastav, R. 2017. Hypovitaminosis D in pregnancy and its correlation with preeclampsia and gestational diabetes mellitus. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 6, 3 (Feb. 2017), 890–896. DOI:https://doi.org/10.18203/2320-1770.ijrcog20170551.