RT Journal Article SR Electronic T1 Gianturco stents in the tracheobronchial tree. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 400 OP 400 VO 52 IS 4 A1 C T Bolliger YR 1997 UL http://thorax.bmj.com/content/52/4/400.abstract