Damanik, Roslinda, Elmeida Effendy, and M. Surya Husada. “The Relation of Gene Polymorphism Interferon Gamma+874 A/T and Schizophrenia Occurred in Batak Ethnicity”. Open Access Macedonian Journal of Medical Sciences 8, no. A (February 25, 2020): 70–75. Accessed April 20, 2024. https://oamjms.eu/index.php/mjms/article/view/3975.