Parveen, Sajida, et al. “IMPACT OF COVID-19 ON MENTAL HEALTH OF HEALTHCARE WORKERS DURING PANDEMIC; AN EXPERIENCE AT A TERTIARY CARDIAC CARE SET UP”. Pakistan Armed Forces Medical Journal, vol. 70, no. Suppl-4, Jan. 2021, pp. S838-42, doi:10.51253/pafmj.v70iSuppl-4.6035.