Khan, U. S., Amjad, A., Naeem, M. U., Saleem, F., Ali, A. and Safdar, A. (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), pp. 922–926. doi: 10.61919/jhrr.v4i2.948.