Self-reported physical activity in European adolescents: results from the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study.
De Cocker K, Ottevaere C, Sjöström M, Moreno LA, Wärnberg J, Valtueña J, Manios Y, Dietrich S, Mauro B, Artero EG, Molnár D, Hagströmer M, Ruiz JR, Sarri K, Kafatos A, Gottrand F, De Henauw S, Maes L, De Bourdeaudhuij I; HELENA Study Group.
De Cocker K, et al.
Public Health Nutr. 2011 Feb;14(2):246-54. doi: 10.1017/S1368980010000558. Epub 2010 Mar 18.
Public Health Nutr. 2011.
PMID: 20236565