Evaluation of the erythrocyte protoporphyrin test as a screen for elevated blood lead levels.


To study the effect of lowering the definition of an elevated blood lead level on the performance of the erythrocyte protoporphyrin screening test and the number of children who would require follow-up, we collected laboratory data from a screening program. The estimated sensitivity of an erythrocyte protoporphyrin level greater than or equal to 35… (More)


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