Question: Blood lead levels exceeding 10 micrograms per deciliter have been
Blood lead levels exceeding 10 micrograms per deciliter have been shown to be harmful to mental and physical development in children. The U.S. Centers for Disease Control and Prevention in Atlanta estimated that about 500,000 children in the United States have blood concentrations of lead higher than this level. Which sampling method do you suppose was used to measure blood levels of lead in U.S. children to reach this conclusion?
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