Maternal serum concentrations of mixtures of PCB-153, p,p’-DDE and HCB during early pregnancy (around gestational week 14), and the risk for hypospadias among their infants.
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Odds ratios (OR) and 95% confidence intervals (CI) were obtained with conditional logistic regression analysis.aLow = children whose mothers had exposure concentrations in the lowest quartile for all exposure variables, High = children whose mothers had exposure concentrations in the highest quartile for all exposure variables, and Medium = all other.
创建时间：
2015-12-02
