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Changes in physical activity from walking to school |
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| Authors: | Sirard John R Alhassan Sofiya Spencer Tirzah R Robinson Thomas N |
| Affiliation: | Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA. sirard@epi.umn.edu |
| Abstract: | |
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| 本文献已被 ScienceDirect PubMed 等数据库收录！ | |