2013年与2011年北京市大兴区青少年烟草使用知信行情况比较
姬春燕，孙洪文，李慧
Comparison of knowledge, attitude, and practice towards tobacco use among adolescents between 2013 and 2011 in Daxing District, Beijing
JI Chun-yan, SUN Hong-wen, LI Hui
华南预防医学
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2016, (4): 366
-371
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DOI: 10.13217/j.scjpm.2016.0366
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