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Correlates of physical activity in a national sample of girls and boys in Grades 4 through 12.
Sallis, James F., Prochaska, Judith J., Taylor, Wendell C., Hill, James O., Geraci, John C.Volume:
18
Year:
1999
Language:
english
Journal:
Health Psychology
DOI:
10.1037/0278-6133.18.4.410
File:
PDF, 893 KB
english, 1999