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;

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;

Clusters of individuals recovering from an exacerbation of chronic obstructive pulmonary disease and response to in-hospital pulmonary rehabilitation M. Vitacca; A. Malovini; A. Spanevello; P. Ceriana; M. Paneroni; M. Maniscalco; B. Balbi; L. Rizzello; R. Murgia; R. Bellazzi; N. Ambrosino;