PT - JOURNAL ARTICLE AU - Nicholas T. Vozoris TI - Prescription opioid use in advanced COPD: benefits, perils and controversies AID - 10.1183/13993003.00479-2017 DP - 2017 Jun 01 TA - European Respiratory Journal PG - 1700479 VI - 49 IP - 6 4099 - http://erj.ersjournals.com/content/49/6/1700479.short 4100 - http://erj.ersjournals.com/content/49/6/1700479.full SO - Eur Respir J2017 Jun 01; 49