Chronic obstructive pulmonary disease exacerbations' management in Portuguese hospitals ¿ EvaluateCOPDpt, a multicentre, observational, prospective study J. Moita; U. Brito; C. Rodrigues; L. Ferreira; J.R. Vieira; A. Catarino; A. Morais; V. Hespanhol; C.R. Cordeiro;

Organization of Home Mechanical Ventilation in Portugal: Characterization of current centers and a pathway to uniformization M.A. Mineiro; M.J. Guimarães; J.C. Winck;

Single breath nitrogen test as predictor of lung function decline and COPD over an 8-year follow-up F. Pistelli; D.L. Sherrill; F. Di Pede; S. Baldacci; M. Simoni; S. Maio; L. Carrozzi; G. Viegi;