Negative mood states and related factors in a sample of adolescent secondary-school students in Barcelona (Spain) Emily Q. Ahonen, Manel Nebot, Emmanuel Giménez

Gender differences in sexual risk behaviour among adolescents in Catalonia, Spain Diana Puente, Edurne Zabaleta, Teresa Rodríguez-Blanco, Marta Cabanas, Mònica Monteagudo, Maria Jesús Pueyo, Mireia Jané, Núria Mestre, Mercè Mercader, Bonaventura Bolíbar

The local burden of emotional disorders. An analysis based on a large health survey in Catalonia (Spain) Ramon Sabes-Figuera, Martin Knapp, Murielle Bendeck, Anna Mompart-Penina, Luis Salvador-Carulla