COPD phenotypes by computed tomography and ventilatory response to exercise S. Rodrigues Sousa; J. Nunes Caldeira; C. Rodrigues;

Chronic bronchial infection in stable COPD: To treat or not to treat M. Miravitlles; M.A. Martinez-Garcia;

Is group C really needed as a separate group from D in COPD? A single-center cross-sectional study E.E. Yazar; B. Yi..itba..; E.Y. Niksarl..o..lu; M. Bayraktaro..lu; S. Kul;