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

Prevalence of pulmonary hypertension in COPD patients living at high altitude C. Aguirre-Franco; CA. Torres-Duque; G. Salazar; A. Casas; C. Jaramillo; M. Gonzalez-Garcia;

COPD: Analysing factors associated with a successful treatment A. Duarte-de-Araújo; P. Teixeira; V. Hespanhol; J. Correia-de-Sousa;