El-Berdan A, Awad RDH. Effect of instructional guidelines on brain tumors patients’ pain and fatigue levels. Int. J. of Health Sci. [Internet]. 2021 Dec. 27 [cited 2024 Aug. 18];6(S10):1260-73. Available from: https://sciencescholar.us/journal/index.php/ijhs/article/view/13914