Mowafy, Z. M. E., M. M. Ismail, K. M. Ali, and M. D. G. Dawoud. “Effect of Gallium Arsenide Laser Versus Pulsed Electromagnetic Field on Healing of Pressure Ulcers Patients”. International Journal of Health Sciences, vol. 6, no. S4, June 2022, pp. 3639-50, doi:10.53730/ijhs.v6nS4.9107.