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The roots of Polygonum multiflorum (Chinese name: He-Shou-Wu, HSW) are used in traditional Chinese medicine for many diseases in processed form or raw state. There are reports dealing with the toxicity of HSW. However, the toxicity is caused by over dosage or by the herb itself remains unclear. We evaluated the toxicity of raw and processed HSW on Kunming (KM) mice. For raw HSW, the toxicity of water...
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