PT - JOURNAL ARTICLE AU - Vivek N Ambade TI - Serum Biomarkers of COPD—Reply AID - 10.4187/respcare.04637 DP - 2016 Mar 01 TA - Respiratory Care PG - 395--396 VI - 61 IP - 3 4099 - http://rc.rcjournal.com/content/61/3/395.2.short 4100 - http://rc.rcjournal.com/content/61/3/395.2.full