State but not district nutrition policies are associated with less junk food in vending machines and school stores in US public schools
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| Description | scientific article published on July 2010 |
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author: Toben F Nelson Marilyn S. Nanney Melissa C. Nelson Martha Y. Kubik Melanie Wall Mary Story |
| Publication date | July 1, 2010 |
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| Missing/wrong data? | Edit Wikidata item |