RT Journal Article SR Electronic T1 New perspectives in lung cancer. 2. Growth factors and lung cancer. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 924 OP 929 DO 10.1136/thx.46.12.924 VO 46 IS 12 A1 P J Woll YR 1991 UL http://thorax.bmj.com/content/46/12/924.abstract AB