Urban and social determinants of alcohol and tobacco consumption among adolescents in Madrid Maitane Berasaluce; Irene Martín-Turrero; Roberto Valiente; Lucía Martínez-Manrique; María Sandín-Vázquez; Xisca Sureda;

Photovoice versus focus groups: a comparative study of qualitative health research techniques Paloma Conde; Jesús Rivera-Navarro; Marta Gutiérrez-Sastre; Ignacio González-Salgado; Manuel Franco; María Sandín Vázquez;

An integrated approach to create a spatial database of parks for urban health research Mario Fontán-Vela; Roberto Valiente; Manuel Franco; Pedro Gullón;