Ahmed M. Shahein, et al. “Effect of Therapeutic Ultrasound Augmented by Sacro-Iliac Belt and Core Strengthening Exercises on Sacro-Iliac Joint Pain After Delivery”. International Journal of Psychosocial Rehabilitation, vol. 24, no. 8, Oct. 2020, pp. 14856-67, https://doi.org/10.61841/t88bp819.