Bakılan , F., Ortanca, B., Ekim, A., & Mutlu, F. Şahin. (2023). Does the levels of vitamin D correlate with the levels of vitamin B12 and ferritin in fibromyalgia? Does vitamin D correlate with vitamin B12 and ferritin?. Journal of Surgery and Medicine, 7(11), 732–735. https://doi.org/10.28982/josam.7521