Sharif, A. M. B. .; Ali, S. .; Shabbir, A. .; Pervez, Z. Z. .; Khan, M. A. .; Gohar, R. U. R. . Comparison of Mean Vitamin B12 Levels Among Patients With Mild To Moderate and Severe Depression, Using Hamilton Depression Rating Scal. Pak Armed Forces Med J 2025, 75 (3), 524-527. https://doi.org/10.51253/pafmj.v75i3.10236.