Kashif, S., E. Pervaiz, F. Azam, T. Waqar, A. Babar, and A. Gul. “AWARENESS REGARDING PERSONAL PROTECTIVE EQUIPMENT USE AMONG HEALTH CARE PROVIDERS IN VARIOUS TERTIARY HOSPITALS ACROSS PAKISTAN DURING COVID-19 PANDEMIC”. Pakistan Armed Forces Medical Journal, Vol. 70, no. 2, Sept. 2020, pp. S518-22, https://mail.pafmj.org/index.php/PAFMJ/article/view/5243.