RT Journal Article SR Electronic T1 Towards the next stage of novel biomarker discussion in COPD: Tekizai-Tekisho JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 322 OP 324 DO 10.1183/09031936.00146013 VO 43 IS 2 A1 Toru Oga A1 Kazuo Chin A1 Michiaki Mishima YR 2014 UL http://erj.ersjournals.com/content/43/2/322.abstract AB