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Lead poisoning has been receiving great attention around the world. The Child Hygiene Cooperation Center of the World Health Organization in China has been conducting investigations to monitor blood lead levels (BLLs) from as early as 2004. However, only several lead poisoning studies have been conducted in China since August 2009. The aim of the present study was to investigate the BLLs in children aged &lt; 7 years and to analyse the risk factors of high BLLs in Chengdu, China.

Surveillance of childhood blood lead levels in Chengdu, China in 2010–2011