Small Airways Disease, Biomarkers and COPD: Where are We?
Priyamvada S Chukowry,1 Daniella A Spittle,2 Alice Accessories M Turner3 1Respiratory Research Department, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK; 2Institute of Inflammation and Ageing, University of Birmingham, Birmingham, B15 2TT, UK; 3Institute for Applied Health Research, University of Birmingham, Birmingham, B15 2