RT Journal Article SR Electronic T1 A potential harmful effect of dexamethasone in non-severe COVID-19: results from the COPPER-pilot study JF ERJ Open Research JO erjor FD European Respiratory Society SP 00129-2022 DO 10.1183/23120541.00129-2022 VO 8 IS 2 A1 Janwillem Kocks A1 Marjan Kerkhof A1 Jan Scherpenisse A1 Aimée van de Maat A1 Iris van Geer-Postmus A1 Thomas le Rütte A1 Jan Schaart A1 Reinold O.B. Gans A1 Huib A.M. Kerstjens YR 2022 UL http://openres.ersjournals.com/content/8/2/00129-2022.abstract AB