Navaneethan P, Mani T, Shrestha P, Regi A, Thomas N, Simon A. Vitamin D status of pregnant women and their infants in South India: VIPIS study. Int J Reprod Contracept Obstet Gynecol [Internet]. 2019 Jun. 29 [cited 2025 Nov. 11];8(7):2820-5. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/6767