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Q33721078-0312BC70-B6DB-4294-ACF7-321F11CBA0B6
Q33721078-0312BC70-B6DB-4294-ACF7-321F11CBA0B6
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http://www.wikidata.org/entity/statement/Q33721078-0312BC70-B6DB-4294-ACF7-321F11CBA0B6
Bicycle helmet use among American children, 1994.
P2860
Q33721078-0312BC70-B6DB-4294-ACF7-321F11CBA0B6
BestRank
Statement
http://www.wikidata.org/entity/statement/Q33721078-0312BC70-B6DB-4294-ACF7-321F11CBA0B6
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c300d68f6230f7fc3b4f76ab91a895d36e335c42
P2860
Validity of self reported data on injury prevention behavior: lessons from observational and self reported surveys of safety belt use in the US