Sathish, P., S. Raveendran, R. Padma, D. Balakrishnan, and M. Muthusami. “Correlation Between Maternal and Neonatal Blood Vitamin D Levels and Its Effect on the Newborn Anthropometry”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 9, Feb. 2017, pp. 2983-8, doi:10.18203/2320-1770.ijrcog20162821.