Multivariate analysis of associations between childhood diarrhea and related factors.
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As was classified into 3 levels: 1: very low As (≤10 µg/L), 2: low As (10–50 µg/L) and 3: high As(>50 µg/L). The very low As group was taken as the baseline group in the comparison.
创建时间：
2015-12-02
