RT Journal Article SR Electronic T1 Early squamous cell lung carcinoma: prognostic biomarkers for the many JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 527 OP 528 DO 10.1136/thoraxjnl-2018-212829 VO 74 IS 6 A1 Pezzella, Francesco YR 2019 UL http://thorax.bmj.com/content/74/6/527.abstract AB