Khan, Usama Shabir, Aneela Amjad, Muhammad Usman Naeem, Faseeha Saleem, Arslan Ali, and Aneela Safdar. 2024. “Evaluation of Serum Vitamin D Levels and Its Association With Increased Risk of Pressure Ulcer Among Non-Ambulatory Patients”. Journal of Health and Rehabilitation Research 4 (2):922-26. https://doi.org/10.61919/jhrr.v4i2.948.