Prevalence of attention deficit hyperactivity disorder among children and adolescents in Spain: a systematic review and meta-analysis of epidemiological studies

by Catalá-López Ferrán, Peiró Salvador, Ridao Manuel, Sanfélix-Gimeno Gabriel, Gènova-Maleras Ricard, Catalá Miguel A
Published 2012-10-01

Timing of surgery for hip fracture and in-hospital mortality: a retrospective population-based cohort study in the Spanish National Health System

by Librero Julián, Peiró Salvador, Leutscher Edith, Merlo Juan, Bernal-Delgado Enrique, Ridao Manuel, Martínez-Lizaga Natalia, Sanfélix-Gimeno Gabriel
Published 2012-01-01