Narayan, Nutan, and Dipti Roy. “DETERMINE THE EFFECT OF VITAMIN D SUPPLEMENTATION ON PREGNANCY OUTCOME: A COMPARATIVE STUDY”. International Journal of Medical and Biomedical Studies 4, no. 5 (May 30, 2020). Accessed June 6, 2026. https://www.ijmbs.info/index.php/ijmbs/article/view/1338.