Indoor Radon Exposure and COPD, Synergic Association? A Multicentric, Hospital-Based Case¿Control Study in a Radon-Prone Area Alberto Ruano-Ravina; Candela Cameselle-Lago; María Torres-Durán; Ana Pando-Sandoval; Raquel Dacal-Quintas; Luis Valdés-Cuadrado; Jesús Hernández-Hernández; Angélica Consuegra-Vanegas; José Andrés Tenes-Mayén; Leonor Varela-Lema; Alberto Fernández-Villar; Juan Miguel Barros-Dios; Mónica Pérez-Ríos;

Association between occupational exposure and chronic obstructive pulmonary disease and respiratory symptoms in the Spanish population Eduardo Loeb; Jan-Paul Zock; Marc Miravitlles; Esther Rodríguez; Juan José Soler-Cataluña; Joan B. Soriano; Francisco García-Río; Pilar de Lucas; Inmaculada Alfageme; Ciro Casanova; José Miguel Rodríguez González-Moro; Julio Ancochea; Borja G. Cosío; Jaume Ferrer Sancho;

Tobacco Patterns and Risk of Chronic Obstructive Pulmonary Disease: Results From a Cross-Sectional Study Julia Rey-Brandariz; Mónica Pérez-Ríos; Jasjit S. Ahluwalia; Kiana Beheshtian; Alberto Fernández-Villar; Cristina Represas-Represas; María Piñeiro; Inmaculada Alfageme; Julio Ancochea; Joan B. Soriano; Ciro Casanova; Borja G. Cosío; Francisco García-Río; Marc Miravitlles; Pilar de Lucas; José Miguel Rodríguez González-Moro; Juan José Soler-Cataluña; Alberto Ruano-Ravina;