COPD increases the risk of squamous histological subtype in smokers who develop non-small cell lung carcinoma
A Papi, G Casoni, G Caramori, I Guzzinati, P Boschetto, F Ravenna, N Calia, S Petruzzelli, L Corbetta, G Cavallesco, E Forini, M Saetta, A Ciaccia, L M Fabbri
Thorax Aug 2004, 59 (8) 679-681; DOI: 10.1136/thx.2003.018291