Kour, H., Gupta, S., Gupta, S. K., Bhagat, B. R. and Singh, G. (2018) “Vitamin D status in pregnant women and their newborns in a tertiary care hospital”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 7(12), pp. 5071–5075. doi: 10.18203/2320-1770.ijrcog20184969.