Tanra, A. J., Sabaruddin, H., Liaury, K. . and Zainuddin, A. A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (2021) “Effect of Adjuvant Vitamin C on Brain-Derived Neurotrophic Factor Levels and Improvement of Negative Symptoms in Schizophrenic Patients”, Open Access Macedonian Journal of Medical Sciences, 9(T3), pp. 353–357. doi: 10.3889/oamjms.2021.7086.