Elsaba, Howaida Amin Hassan Fahmy, Safaa H Mohamed, Marwa Yehia Moustafa Sweelam, Mona Mohamed Abd El Hamid Younes, and Safaa Ibrahim Ahmed. “Progressive Muscle Relaxation Technique Effectiveness on Pain and Fatigue Among Post-Mastectomy Women: A Quasi-Experimental Study”. International journal of health sciences 6, no. S8 (May 1, 2022): 6336–6351. Accessed August 19, 2024. https://sciencescholar.us/journal/index.php/ijhs/article/view/13782.