Julie Christy A, Saraswathi Perumal, and Sumathy G. “25 Hydroxycholicalciferol Levels During Pregnancy in Rural and Urban Population of South India”. International Journal of Research in Pharmaceutical Sciences 12, no. 2 (June 9, 2021): 1590–1596. Accessed December 27, 2024. https://ijrps.com/home/article/view/295.