Yadav, M., Verma, M. K., Bairwa, M., Meena, G., & Rajoria, L. (2018). Prevalence of vitamin D deficiency and effect of vitamin D supplementation on feto-maternal outcome in tertiary care centre. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 7(12), 4912–4918. https://doi.org/10.18203/2320-1770.ijrcog20184939