Nanda, Risni, Elmeida Effendy, and Mustafa Mahmud Amin. “The Difference in Negative Scale Score Measured With Positive and Negative Syndrome Scale in Schizophrenic Male Patient Treated With Risperidone in Addition to Vitamin E and Treated With Risperidone Alone at Prof. Dr. M. Ildrem Mental Hospital Medan”. Open Access Macedonian Journal of Medical Sciences 9, no. T3 (June 12, 2021): 104–107. Accessed December 4, 2024. https://oamjms.eu/index.php/mjms/article/view/6341.