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. 2006 Feb 9;114(6):842–847. doi: 10.1289/ehp.8781

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Effects of TCE on chick embryo survival at (A) HH24 and (B) HH30. Values shown are mean percent survival (± SE) for embryos exposed to TCE during cardiac cushion formation. Each panel represents the mean of five experiments; numbers within bars indicate the total number of embryos.

*Significantly different from 0 nmol treatment (p < 0.01); p-values are given above bars.