RT Journal Article SR Electronic T1 The respiratory health benefits of quitting cannabis use JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1 OP 4 DO 10.1183/09031936.00034515 VO 46 IS 1 A1 Donald P. Tashkin YR 2015 UL http://erj.ersjournals.com/content/46/1/1.abstract AB