Mahmood S, Pervin HH, Yousuf S. Association of serum vitamin D levels with gestational diabetes mellitus. Int J Reprod Contracept Obstet Gynecol [Internet]. 2021 May 27 [cited 2025 Dec. 4];10(6):2198-202. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/10160