Aggarwal, K., N. R. Singh, N. Bala, and M. Singh. “Major Depressive Disorder: Association With Vitamin C Levels and Role of Vitamin C Supplementation in Pharmacotherapy”. International Journal of Basic & Clinical Pharmacology, vol. 10, no. 4, Mar. 2021, pp. 403-8, doi:10.18203/2319-2003.ijbcp20211023.