STH knowledge scoresa at baseline and follow-up (4 months post-deworming), by intervention group, Grade 5 schoolchildren in Belen, Peru, 2010.
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*Statistically significant difference between intervention and control groups.aScores were generated by asking children three open-ended questions related to STH infection and prevention.bScore out of 4.cScore out of 12.
创建时间：
2015-12-02
