N. S. Mohd Ashari, S. N. F. Mohamed Sanusi, M. A. Mohd Yasin, R. Mohamud, and C. M. Che Hussin, “Lymphocyte subsets and their association with the severity of patients with major depressive disorder (mdd)”, Int. J. Hum. Health Sci., vol. 3, no. 2, pp. 80–87, Jan. 2019.