Fatoum, Hanaa A., Kat Kuzmeskas, John D. Halamka, and Shahrukh K. Hashmi. “Harnessing the Power of Blockchains and Machine Learning to End the COVID-19 Pandemic”. Blockchain in Healthcare Today 3 (November 6, 2020). Accessed April 20, 2024. https://blockchainhealthcaretoday.com/index.php/journal/article/view/153.