Jeger, D.P., H. Shatri, P.R. Lukman, P. Nugroho, Y. Kandarini, and N.M.A. Dwipayanti. “The Role of Group Supportive Psychotherapy on Quality of Life and Its Relationship to Heart Rate Variability and Serum Serotonin Levels in End-Stage Renal Disease (ESRD) Patients Undergoing Chronic Hemodialysis”. South Eastern European Journal of Public Health (December 7, 2024): 1710–1723. Accessed March 12, 2026. http://seejph.com/index.php/seejph/article/view/2656.