High altitudes and partial pressure of arterial oxygen in patients with chronic obstructive pulmonary disease - A systematic review and meta-analysis A. Sevik; T. Gaisl; A. Forrer; L. Graf; S. Ulrich; K.E. Bloch; M. Lichtblau; M. Furian;

Beyond pulmonary rehabilitation: can the PICk UP programme fill the gap? A randomised trial in COPD P. Rebelo; D. Brooks; J. Cravo; M.A. Mendes; A.C. Oliveira; A.S. Rijo; M.J. Moura; A. Marques;

Impact of acute exacerbations of COPD on patients' health status beyond pulmonary function: A scoping review A. Machado; M. Barusso; J. De Brandt; K. Quadflieg; S. Haesevoets; M. Daenen; M. Thomeer; D. Ruttens; A. Marques; C. Burtin;