RT Journal Article SR Electronic T1 Lobar infiltration by squamous cell carcinoma. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 633 OP 634 DO 10.1136/thx.35.8.633 VO 35 IS 8 A1 Hind, C R YR 1980 UL http://thorax.bmj.com/content/35/8/633.abstract AB