RT Journal Article SR Electronic T1 Harm reduction strategies for tobacco smoking: report from an ERS Research Seminar JF Breathe JO Breathe FD European Respiratory Society SP 302 OP 303 DO 10.1183/18106838.0204.302 VO 2 IS 4 A1 Y. Martinet A1 K. Fagerström A1 A. McNeill A1 F. Godfrey YR 2006 UL http://breathe.ersjournals.com/content/2/4/302.abstract AB