Dr Chavi Sethi, Dr Chitrangana Gupta, Dr Amit Sehgal, Dr. RK Verma. A RETROSPECTIVE CROSS-SECTIONAL STUDY ON VITAMIN D DEFICIENCY AND IT’S CORRELATION WITH LOW BACK PAIN IN OT PERSONNEL. J Popl Ther Clin Pharmacol [Internet]. 2024 Apr. 1 [cited 2024 Nov. 18];31(3):2208-14. Available from: https://mail.jptcp.com/index.php/jptcp/article/view/5281