Time trends in leisure time physical activity and physical fitness in elderly people: 20 year follow-up of the Spanish population national health survey (1987-2006)

by Carrasco-Garrido Pilar, Hernández-Barrera Valentin, Jiménez-Garcia Rodrigo, Alonso-Blanco Cristina, Palacios-Ceña Domingo, Pileño-Martinez Elena, Fernández-de-las-Peñas Cesar
Published 2011-10-01