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Motorcycle helmet use in Southern China: an observational study |
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| Authors: | Li Gong-Li Li Li-Ping Cai Qi-En |
| Institution: | Injury Prevention and Research Center, Medical College of Shantou University, Shantou, Guangdong Province, China. lpli@stu.edu.cn |
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| 本文献已被 PubMed 等数据库收录！ | |