Recommended levels of physical activity to avoid an excess of body fat in European adolescents: The Helena study

1. Martinez-Gomez, D.
2. Ruiz, J.R.
3. Ortega, F.B.
4. Veiga, O.L.
5. Moliner-Urdiales, D.
6. Mauro, B.
7. Galfo, M.
8. Manios, Y.
9. Widhalm, K.
10. Bghin, L.
11. Moreno, L.A.
12. Molnar, D.
13. Marcos, A.
14. Sjstrm, M.