The COPD assessment test and the modified Medical Research Council scale are not equivalent when related to the maximal exercise capacity in COPD patients R. Pisi; M. Aiello; L. Calzetta; A. Frizzelli; P. Tzani; G. Bertorelli; A. Chetta;

A study of the psychometric properties of the Brazilian...Portuguese version of Bronchiectasis Health Questionnaire A. Luppo; C.O. de Camargo; S.S. Birring; A.C. Lunardi; S.Z. Rached; R.A. Athanazio; R. Stelmach; S.D. Corso;

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;