Impact of COPD on COVID-19 prognosis: A nationwide population-based study in South Korea

by Sang Chul Lee, Kang Ju Son, Chang Hoon Han, Seon Cheol Park, Ji Ye Jung
Published 2021

Impact of comorbid asthma on severity of coronavirus disease (COVID-19)

by Sang Chul Lee, Kang Ju Son, Chang Hoon Han, Ji Ye Jung, Seon Cheol Park
Published 2020

Development and validation of a prognostic model for early triage of patients diagnosed with COVID-19

by Chansik An, Hyun Cheol Oh, Jung Hyun Chang, Seung-Jin Oh, Jung Mo Lee, Chang Hoon Han, Seong Woo Kim
Published 2021