Indoor radon in Spanish workplaces. A pilot study before the introduction of the European Directive 2013/59/Euratom Alberto Ruano-Ravina, Claudia Narocki, María José López-Jacob, Ana García Oliver, María de la Cruz Calle Tierno, Joaquín Peón-González, Juan Miguel Barros-Dios

Inequalities in mental health in the working population of Spain: a National Health Survey-based study Jorge Arias-de la Torre, Lucía Artazcoz, Antonio José Molina, Tania Fernández-Villa, Vicente Martín

Radon exposure and tumors of the central nervous system Alberto Ruano-Ravina, Ana Dacosta-Urbieta, Juan Miguel Barros-Dios, Karl T. Kelsey