The combined used of quantitative and qualitative longitudinal methods in the study of obesity Cecilia Díaz-Méndez; Jean Adams;

Barcelona Salut als Barris: Twelve years¿ experience of tackling social health inequalities through community-based interventions Ferran Daban; M. Isabel Pasarín; Carme Borrell; Lucía Artazcoz; Anna Pérez; Ana Fernández; Victoria Porthé; Elia Díez;

Fidelity of implementation of Reptes, an alcohol and cannabis selective prevention program for youngsters Noelia Vázquez; Xavier Continente; Montse Bartroli; Olga Juárez; Laura Muñoz; Francesca Sánchez-Martínez; Anna Pérez; Carles Ariza;