Is the COPD Assessment Test sensitive for differentiating COPD patients from active smokers and nonsmokers without lung function impairment? A population-based study

Karloh M, Rocha SAV, Pizzichini MMM, Cavalli F, Matte DL, Pizzichini E, Respira Floripa Group. Is the COPD Assessment Test sensitive for differentiating COPD patients from active smokers and nonsmokers without lung function impairment? A population-based study. J Bras Pneumol. 2018; 44(3): 213-219.