Starki, S., Loebis, B., Husada, S. M., Mahdinasari, N. N. and Efffendy, E. (2021) “Calcium Levels Differences in Men with Schizophrenia Treated with Olanzapine and Risperidone in Prof. Dr. M Ildrem Psychiatric Hospital Medan”, Open Access Macedonian Journal of Medical Sciences, 9(T3), pp. 274–279. doi: 10.3889/oamjms.2021.6334.