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There are but a few blood purifiers and these are all in the body. We know them as the liver, kidneys, lungs, colon, and a few glands.

Herbert M. Shelton (1996). “Hygienic Review”, p.93, Health Research Books
There are but a few blood purifiers and these are all in the body. We know them as the liver, kidneys, lungs, colon, and a few glands.