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Figure 1 | Environmental Health

Figure 1

From: Decreased sex ratio following maternal exposure to polychlorinated biphenyls from contaminated Great Lakes sport-caught fish: a retrospective cohort study.

Figure 1

Distribution of the natural logs of maternal serum PCB concentration (ng/mL) for each child analyzed by sex (x: girls; o: boys) and the year of the child's birth. A) Unrevised PCB concentrations as measured in 1994–1995. B) Revised PCB concentrations according to the toxicokinetic model with a decay constant of 0.15.

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