Khan, Junaid, Riaz Ahmed, and Rahman Rasool Akhtar. “EFFECT OF PRE-OPERATIVE SERUM VITAMIN-D LEVELS ON POST-OPERATIVE OUTCOME IN TOTAL KNEE ARTHROPLASTY”. Journal of Postgraduate Medical Institute 33, no. 1 (March 29, 2019). Accessed May 5, 2024. https://jpmi.org.pk/index.php/jpmi/article/view/2402.