Parveen, S. et al. 2021. 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. 70, Suppl-4 (Jan. 2021), S838–42. DOI:https://doi.org/10.51253/pafmj.v70iSuppl-4.6035.