Validation and calibration of a model used to reconstruct historical exposure to polycyclic aromatic hydrocarbons for use in epidemiologic studies.

Although there is considerable individual variation between prediction and soil data, the fit is highly significant [ p < 0.0001, as discussed in the Supplemental Material ( http://www.ehponline.org/docs/2006/8659/suppl.pdf )].

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(1995) , a scattergram of exposure accumulated on personal dosimeters versus adduct levels showed a clear trend with only 21 subjects.

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