Intensity of commonly-reported classroom-based physical activity opportunities in public schools
| Autor: | Behrens, Timothy K., Holeva, Whitney M., Carpenter, Dick, Tucker, Elizabeth, Luna, Carmen, Donovan, John, Field, Julaine, Kelly, Cheryl |
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| Zdroj: | In Preventive Medicine Reports June 2017 6:157-161 |
| Databáze: | ScienceDirect |
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