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 Martinet, Y. A1 Fagerström, K. A1 McNeill, A. A1 Godfrey, F. YR 2006 UL http://breathe.ersjournals.com/content/2/4/302.abstract AB