PT - JOURNAL ARTICLE AU - R. A. Sewell AU - A. J. Cohn AU - M. C. Chawarski TI - Doubts about the role of cannabis in causing lung cancer AID - 10.1183/09031936.00051108 DP - 2008 Sep 01 TA - European Respiratory Journal PG - 815--816 VI - 32 IP - 3 4099 - http://erj.ersjournals.com/content/32/3/815.short 4100 - http://erj.ersjournals.com/content/32/3/815.full SO - Eur Respir J2008 Sep 01; 32