Sitepu, Arneil. “Positive and Negative Syndrome Scale and High-Density Lipoprotein Cholesterol Levels”. Indonesian Journal of Global Health Research 6, no. S6 (December 14, 2024): 895-900. Accessed June 26, 2026. http://jurnal.globalhealthsciencegroup.com/index.php/IJGHR/article/view/5255.