Khan US, Amjad A, Naeem MU, Saleem F, Ali A, Safdar A. Evaluation of Serum Vitamin D Levels and its Association with Increased Risk of Pressure Ulcer among Non-Ambulatory Patients. JHRR [Internet]. 2024 May 24 [cited 2024 Sep. 8];4(2):922-6. Available from: https://jhrlmc.com/index.php/home/article/view/948