RT Journal Article SR Electronic T1 Tracheal Stenosis in Infancy JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 64 OP 69 DO 10.1136/thx.15.1.64 VO 15 IS 1 A1 Borrie, John YR 1960 UL http://thorax.bmj.com/content/15/1/64.abstract AB