RT Journal Article SR Electronic T1 Negative association between fatigue and signs of sleep apnoea in patients after COVID-19 JF ERJ Open Research JO erjor FD European Respiratory Society SP 00289-2022 DO 10.1183/23120541.00289-2022 A1 M. C. Hayden A1 G. Schwarzl A1 M. Limbach A1 S. Mitrea A1 M. Schuler A1 D. Nowak A1 K. Schultz YR 2022 UL http://openres.ersjournals.com/content/early/2022/08/24/23120541.00289-2022.abstract AB