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 Kocks, Janwillem A1 Kerkhof, Marjan A1 Scherpenisse, Jan A1 van de Maat, Aimée A1 van Geer-Postmus, Iris A1 le Rütte, Thomas A1 Schaart, Jan A1 Gans, Reinold O.B. A1 Kerstjens, Huib A.M. YR 2022 UL http://openres.ersjournals.com/content/8/2/00129-2022.abstract AB