Silte Karamanlioglu, Duygu, Gulcan Ozturk, and Pinar Akpinar. 2024. “Does the Level of Vitamin D Influence Pain Intensity, Functional Ability, and Quality of Life in Individuals With Chronic Low Back Pain?”. Annals of Medical Research 31 (10):816-22. http://annalsmedres.org/index.php/aomr/article/view/4765.