T. Ejaz, S. A. Ali, S. Saadia, S. B. Z. Mahmood, M. Iqbal, and A. F. Siddiqui, “Of fear, burnout, and stress: Comparison of psychological distress levels among frontline medicine residents during different COVID-19 pandemic waves in Pakistan”, JEM, vol. 21, no. 3, pp. 253–264, Jun. 2023.