Vrinda Goyal, and Mukta Agrawal. “Chronic Non-Specific Musculoskeletal Pain – Prevalence, Assessment and Association With Serum Vitamin D in Adults”. World Journal of Pharmaceutical Sciences 7, no. 4 (March 30, 2019): 31–37. Accessed July 22, 2024. https://wjpsonline.com/index.php/wjps/article/view/chronic-non-specific-musculoskeletal-pain-vitamin-d.