RT Journal Article SR Electronic T1 A Note on the Dimensions of the Bronchial Tree JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 175 OP 176 DO 10.1136/thx.12.2.175 VO 12 IS 2 A1 Barnett, C. H. YR 1957 UL http://thorax.bmj.com/content/12/2/175.abstract AB