Figure 1: Blood lead levels in rats after 14 and 28 days of exposure at 30, 100, 300 ppm in drinking water. Data are presented as mean ± standard error of the mean (SEM) vertical bars represents SEM
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Figure 1: Blood lead levels in rats after 14 and 28 days of exposure at 30, 100, 300 ppm in drinking water. Data are presented as mean ± standard error of the mean (SEM) vertical bars represents SEM
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