Severity assessment of COVID-19 using imaging descriptors: a deep-learning transfer learning approach from non-COVID-19 pneumonia. - Ravi K. Samala; Lubomir M. Hadjiiski; Heang-Ping Chan; Chuan Zhou 002; Jadranka Stojanovska; Prachi Pragya Agarwal; Christopher Fung (Computer-Aided Diagnosis, 2021)