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Comparison of in vitro PODset values with internal concentrations corresponding to the lowest in vivo LEL values in the NTP study. Points correspond to the in vitro technologies (ACEA: violet; ATG: blue; BSK: red; HTPP: green; HTTr: cyan; Zebrafish: yellow; DNT: black; Thyroid: gray). The vertical lines are the POD concentrations for male (red) and female (black) rats.
