Umakanta Sahoo, Sanjay K Mohanty, Manisha Dubey, and Udaya S Mishra, “Impact of COVID-19 attributable deaths on Longevity, Premature Mortality and DALY: Estimates of USA, Italy, Germany and Sweden”, GJMR, vol. 20, no. F9, pp. 13–25, Aug. 2020.