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National Highway Traffic Safety Administration. Evaluation of the repeal of motorcycle helmet laws |
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| Authors: | Vaca F Berns S D Harris J S Jolly B T Runge J W Todd K H |
| Affiliation: | University of California-Irvine, Center for Health Policy Research, USA. |
| Abstract: | |
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| 本文献已被 PubMed 等数据库收录！ | |