Celina Deboral C, Kalabarathi S, and Parimala L, “Effectiveness of Prophylactic Sacral Care on Prevention of Pressure Ulcer among Pressure Ulcer High-Risk Patients in the Intensive Care Unit”, Int. J. Res. Pharm. Sci., vol. 11, no. (SPL 4), pp. 91–95, Dec. 2020.