Children hold up laboratory test results showing high levels of lead in their blood at a village in Jiyuan, Henan province October 15, 2009. China's largest lead smelting firm has acknowledged partial responsibility after nearly 1,000 children living near some of China's biggest lead plants showed excessive levels of lead in their blood, the Xinhua news agency said on Tuesday. Picture taken October 15, 2009. REUTERS/Stringer (CHINA ENVIRONMENT HEALTH SOCIETY IMAGES OF THE DAY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA
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