Physical fitness levels among European adolescents: the HELENA study.
Ortega FB, Artero EG, Ruiz JR, España-Romero V, Jiménez-Pavón D, Vicente-Rodriguez G, Moreno LA, Manios Y, Béghin L, Ottevaere C, Ciarapica D, Sarri K, Dietrich S, Blair SN, Kersting M, Molnar D, González-Gross M, Gutiérrez A, Sjöström M, Castillo MJ; HELENA study.
Ortega FB, et al. Among authors: artero eg.
Br J Sports Med. 2011 Jan;45(1):20-9. doi: 10.1136/bjsm.2009.062679. Epub 2009 Aug 20.
Br J Sports Med. 2011.
PMID: 19700434