Polymenis, Athanase. “An Application of a Mixture of Exponential Distributions for Assessing Hazard Rates from COVID-19”. Journal of Population Therapeutics and Clinical Pharmacology 27, no. SP1 (August 14, 2020): e58-e63. Accessed September 14, 2025. https://jptcp.com/index.php/jptcp/article/view/721.