Hidayat, Hedo, Efrida, and Elfira Yusri. “The Role of Ferritin Levels on Vitamin D Status in Pregnant Women: An Observational Single Center Study at Hermina Hospital, Padang, Indonesia”. Bioscientia Medicina : Journal of Biomedicine and Translational Research 8, no. 9 (June 14, 2024): 4911-4918. Accessed December 4, 2024. https://bioscmed.com/index.php/bsm/article/view/1070.