Lubis, R.H., Yusuf, H., Khairan, K. and Sary, N.L. 2026. Neurobiological and Clinical Effects of Vitamin D in Psychiatric Symptoms: A Meta-Analysis and Systematic Review. Trends in Sciences. 23, 8 (Mar. 2026), 13036. DOI:https://doi.org/10.48048/tis.2026.13036.