Authors: Carme Saurina, Basili Bragulat, Marc Saez and Guillem López-Casasnovas
Journal of Epidemiology & Community Health, Vol. 67, No 9, 779--87, January, 2013Authors: Carme Saurina, Basili Bragulat, Marc Saez and Guillem López-Casasnovas
Journal of Epidemiology & Community Health, Vol. 67, No 9, 779--87, January, 2013© Barcelona Graduate School of Economics. All rights reserved.