M. Iqbal, M. Iqbal, N. Iftikhar, S. H. A. Inam, H. Jamil, and S. Nisar, “COMPARISON OF DEPRESSION, ANXIETY AND STRESS SCORE AMONG CLINICAL AND NON-CLINICAL HEALTHCARE WORKERS DURING THE COVID-19 PANDEMIC”, PAFMJ, vol. 71, no. 5, pp. 1865–69, Oct. 2021.