RT Journal Article SR Electronic T1 Swallowing dysfunction in patients hospitalised due to a COPD exacerbation JF ERJ Open Research JO erjor FD European Respiratory Society SP 00515-2021 DO 10.1183/23120541.00515-2021 VO 7 IS 4 A1 Margareta Gonzalez Lindh A1 Christer Janson A1 Hirsch Koyi YR 2021 UL http://openres.ersjournals.com/content/7/4/00515-2021.abstract AB