Singsomran, N., & Duangsong, R. (2022). Relationships between Personal Characteristics, Protection Motivation, Preventive Behaviors and Risk Factors of Upper Gastro-intestinal Bleeding among Patients in Khon Kaen Hospital. Thai Journal of Health Education, 45(2), 138–151. retrieved from https://he01.tci-thaijo.org/index.php/muhed/article/view/260872