
Physiologic Characterization of the Chronic Bronchitis Phenotype in GOLD Grade IB COPD
Keywords: CAT; COPD Assessment Test; CB; chronic bronchitis; CHAMPS; Community Healthy Activities Model Program for Seniors; Dlco; diffusing capacity of the lung for carbon monoxide; EFL; expiratory flow limitation; EILV; end-inspiratory lung volume; GOLD; Global I