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;

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;

Effect of 5 weeks of oral acetazolamide on patients with pulmonary vascular disease: A randomized, double-blind, cross-over trial M. Lichtblau; S. Saxer; J. Müller; P. Appenzeller; C. Berlier; S.R. Schneider; L. Mayer; M. Furian; E.I. Schwarz; E.R. Swenson; K.E. Bloch; S. Ulrich;