Abstract
Lead poisoning among children is a serious environmental and public health problem, especially in the inner city. Some children eat paint chips containing lead and thus become poisoned. A rapid screening test based on urinary delta-aminolevulinic acid and using a dipstick to collect samples was devised so that the mother could take the sample herself. The dipstick is composed of a piece of ion exchange paper stapled to a plastic handle. The research leading to the development of this test is discussed relative to overall environmental problems.
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