RT Journal Article SR Electronic T1 Serum free DNA and COX-2 mRNA expression in peripheral blood for lung cancer detection JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 843 OP 844 DO 10.1136/thx.2008.102178 VO 63 IS 9 A1 Ulivi, P A1 Mercatali, L A1 Zoli, W A1 Dell’Amore, D A1 Poletti, V A1 Casoni, G L A1 Scarpi, E A1 Flamini, E A1 Amadori, D A1 Silvestrini, R YR 2008 UL http://thorax.bmj.com/content/63/9/843.abstract AB