RT Journal Article SR Electronic T1 Gene therapy for cystic fibrosis: steady progress, should do well JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 257 OP 259 DO 10.1183/09031936.97.10020257 VO 10 IS 2 A1 EW Alton A1 DM Geddes YR 1997 UL http://erj.ersjournals.com/content/10/2/257.abstract AB