PT - JOURNAL ARTICLE AU - Kolsum, Umme AU - Southworth, Thomas AU - Jackson, Natalie AU - Singh, Dave TI - Blood eosinophil counts in COPD patients compared to controls AID - 10.1183/13993003.00633-2019 DP - 2019 Oct 01 TA - European Respiratory Journal PG - 1900633 VI - 54 IP - 4 4099 - http://erj.ersjournals.com/content/54/4/1900633.short 4100 - http://erj.ersjournals.com/content/54/4/1900633.full SO - Eur Respir J2019 Oct 01; 54