RT Journal Article SR Electronic T1 Effects of short- and long-term exposures to ambient air pollution on COPD JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 558 OP 561 DO 10.1183/09031936.00108814 VO 44 IS 3 A1 Eric Garshick YR 2014 UL http://erj.ersjournals.com/content/44/3/558.abstract AB