RT Journal Article SR Electronic T1 Should European Respiratory Society meetings come with a health warning? JF Breathe JO Breathe FD European Respiratory Society SP 279 OP 281 DO 10.1183/20734735.009615 VO 11 IS 4 A1 Thierry Troosters YR 2015 UL http://breathe.ersjournals.com/content/11/4/279.abstract AB