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Three-year follow-up of physical activity in Norwegian youth from two ethnic groups: associations with socio-demographic factors
Åse Sagatun, Elin Kolle, Sigmund A Anderssen, Magne Thoresen, Anne Johanne SøgaardVolume:
8
Language:
english
DOI:
10.1186/1471-2458-8-419
Date:
December, 2008
File:
PDF, 399 KB
english, 2008