HLA-DRB1 Alleles are Associated With COPD in a Latin American Admixed Population Roberto Díaz-Peña; Rafael S. Silva; H. Dean Hosgood; Sergio Jaime; Marc Miravitlles; Jordi Olloquequi;

Gas Exchange and Ventilatory Efficiency During Exercise in Pulmonary Vascular Diseases Jason Weatherald; Athénaïs Boucly; David Montani; Xavier Jaïs; Laurent Savale; Marc Humbert; Olivier Sitbon; Gilles Garcia; Pierantonio Laveneziana;