Negative association between fatigue and signs of sleep apnoea in patients after COVID-19
Markus C. Hayden, Gabriele Schwarzl, Matthias Limbach, Sorin Mitrea, Michael Schuler, Dennis Nowak, Konrad Schultz
ERJ Open Research 2022 8: 00289-2022; DOI: 10.1183/23120541.00289-2022