Liu, M., J. Zhao, L. Xu, and J. Guo. “Effects of Systematic Psychological Intervention Combined With Feedback Health Education on Psychological State, Coping Style and Quality of Life in Patients With Peptic Ulcer: Quality of Life in Patients With Peptic Ulcer”. The Ethiopian Journal of Health Development, Oct. 2022, https://ejhd.org/index.php/ejhd/article/view/5095.