Socioeconomic status influences physical fitness in European adolescents independently of body fat and physical activity: the HELENA study.
Jiménez Pavón D, Ortega FP, Ruiz JR, España Romero V, García Artero E, Moliner Urdiales D, Gómez Martínez S, Vicente Rodríguez G, Manios Y, Béghin L, Répasy J, Sjöstrom M, Moreno LA, González Gross M, Castillo MJ; HELENA Study Group.
Jiménez Pavón D, et al. Among authors: ortega fp.
Nutr Hosp. 2010 Mar-Apr;25(2):311-6.
Nutr Hosp. 2010.
PMID: 20449543