Milham S
Environ Health Perspect. 1977 Aug;19:131-2. doi: 10.1289/ehp.7719131.
Children living near a copper smelter in Tacoma, Washington, have been shown to have increased levels of urinary and hair arsenic. Studies of hearing, blood status and school attendance in exposed and nonexposed children failed to detect any differences in these parameters.
华盛顿州塔科马市一家铜冶炼厂附近的儿童,其尿液和头发中的砷含量已被证明有所增加。对暴露组和非暴露组儿童的听力、血液状况和入学率进行研究,未能发现这些参数有任何差异。