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Scale and causes of lead contamination in Chinese tea.
Han WY, Zhao FJ, Shi YZ, Ma LF, Ruan JY. Han WY, et al. Environ Pollut. 2006 Jan;139(1):125-32. doi: 10.1016/j.envpol.2005.04.025. Epub 2005 Jul 5. Environ Pollut. 2006. PMID: 15998560
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