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机译:实施身体活动的课程:2年的随访
Univ Stavanger Dept Educ & Sport Sci N-4036 Stavanger Norway|Municipal Stavanger Dept Children Youth & Educ N-4068 Stavanger Norway;
Univ Stavanger Norwegian Ctr Learning Environm & Behav Res Educ N-4036 Stavanger Norway;
Univ Stavanger Norwegian Ctr Learning Environm & Behav Res Educ N-4036 Stavanger Norway;
Univ Stavanger Dept Educ & Sport Sci N-4036 Stavanger Norway|Univ Stavanger Dept Publ Hlth N-4036 Stavanger Norway;
Primary school; Physical activity intervention; Sustainability; Level of use instrument;