Thứ Sáu, 5 tháng 8, 2016

NPR News: Has My Child Been Exposed To Lead? When And How To Test

Has My Child Been Exposed To Lead? When And How To Test
Multiple testing options and false positives can leave parents confused about blood lead level readings. We found out how the tests work and what the results really mean for a child's health.

Read more on NPR
Children's Health
August 4, 2016 at 11:56PM

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