Actions taken to prevent tobacco use: Comparisons of responses from 8th grade control schools, 8th grade intervention schools and 9th grade intervention schools.
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Odds ratios adjusted for age, gender, mother's education and school
经年龄、性别、母亲受教育程度及就学情况校正的优势比（Odds ratios）
创建时间：
2015-12-02
