Ergul, Cetin, Mehmet Gundogdu, and Emine Esra Ergul. “The Association Between Vitamin D and Body Mass Index and Influential Factors”. Annals of Medical Research 30, no. 6 (June 23, 2023): 650–656. Accessed July 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/4453.