Criteria for Advanced COPD in Patients Hospitalized Due to COPD Exacerbation: Prevalence and Predictive Capacity Alberto Fernández-Villar; Alberto Fernández-García; Cristina Represas-Represas; Rafael Golpe; Juan Marco Figueira-Gonçalves; Javier de Miguel-Díez; Marc Miravitlles;

Sex-Differences in Alpha-1 Antitrypsin Deficiency: Data From the EARCO Registry Hilal Ersöz; María Torres-Durán; Alice M. Turner; Hanan Tanash; Carlota Rodríguez García; Angelo Guido Corsico; José Luis López-Campos; Marc Miravitlles; Christian F. Clarenbach; Kenneth R. Chapman; José M. Hernández Pérez; Catarina Guimarães; Eva Barto¿ovská; Timm Greulich; Miriam Barrecheguren; Andreas Rembert Koczulla; Philipp Höger; Arturo Olivares Rivera; Felix Herth; Franziska C. Trudzinski;

Etiotypes in COPD: a pro/con debate Alvar Agusti; Marc Miravitlles;