RT Journal Article SR Electronic T1 Evaluating e-learning concepts: the first ERS interactive online course JF Breathe JO Breathe FD European Respiratory Society SP 17 OP 18 DO 10.1183/18106838.0301.17 VO 3 IS 1 A1 M. Gaga YR 2006 UL http://breathe.ersjournals.com/content/3/1/17.abstract AB