Erkus, Edip, Aysen Helvaci, Mine Adas, and Muge Bilge. “Obesity Is Associated With Lower Levels of Vitamin D”. EXPERIMENTAL BIOMEDICAL RESEARCH 1, no. 3 (May 7, 2018): 82–89. Accessed November 22, 2024. https://www.experimentalbiomedicalresearch.com/index.php/ebr/article/view/19.