RT Journal Article SR Electronic T1 Caution in Interpretation of Abnormal Carbon Monoxide Diffusion Capacity in COVID-19 Patients JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2003263 DO 10.1183/13993003.03263-2020 A1 David G. Chapman A1 Tanya Badal A1 Gregory G. King A1 Cindy Thamrin YR 2020 UL http://erj.ersjournals.com/content/early/2020/10/15/13993003.03263-2020.abstract AB