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Lead Sulfide Copper

The carcinogenicity of cupric oxide, cupric sulfide, and cuprous sulfide in 2 to 3 month old Wistar rats was studied. Groups of 30-32 rats were given single im injections containing 20 mg of cupric oxide 16 mg copper, cupric sulfide 13.3 mg copper, and cuprous sulfide 16 mg copper into the left and the right thigh of each rat.All animals were observed for up to 20 months, after which ...

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