RT Journal Article SR Electronic T1 Ask the Expert: lung cancer JF Breathe JO Breathe FD European Respiratory Society SP 249 OP 249 DO 10.1183/18106838.0303.249 VO 3 IS 3 A1 S. Spiro YR 2007 UL http://breathe.ersjournals.com/content/3/3/249.abstract AB