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. 2009 Oct 13;118(3):338–344. doi: 10.1289/ehp.0900654

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Cumulative distribution (and arithmetic mean) of PECs generated by PhATE for three different categories of estrogens in U.S. drinking water assuming critical low-flow conditions (7Q10). For the endogenous estrogens, the combined concentrations of E1, E2, and E3 were not adjusted for differences in biological activity.