RT Journal Article SR Electronic T1 Does cannabis use predispose to chronic airflow obstruction? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 3 OP 5 DO 10.1183/09031936.00109309 VO 35 IS 1 A1 D. P. Tashkin YR 2010 UL http://erj.ersjournals.com/content/35/1/3.abstract AB