PT - JOURNAL ARTICLE AU - Toru Oga AU - Kazuo Chin AU - Michiaki Mishima TI - Towards the next stage of novel biomarker discussion in COPD: Tekizai-Tekisho AID - 10.1183/09031936.00146013 DP - 2014 Feb 01 TA - European Respiratory Journal PG - 322--324 VI - 43 IP - 2 4099 - http://erj.ersjournals.com/content/43/2/322.short 4100 - http://erj.ersjournals.com/content/43/2/322.full SO - Eur Respir J2014 Feb 01; 43