Female university students' physical activity levels and associated factors--a cross-sectional study in southwestern Saudi Arabia
Khalaf, Atika ; Ekblom, Örjan ; Kowalski, Jan ; Berggren, Vanja ; Westergren, Albert ; Al-Hazzaa, Hazzaa
International journal of environmental research and public health, 2013, Vol.10 (8), p.3502-3517 [Periódico revisado por pares]Switzerland: MDPI AG
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