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W.LiL.MelchiorsenJ
The synthesis of endogenous glutathione occurs in a tightly regulated, two-step enzymatic process
Are Vitamin B12 Injections Safe, and How Often Do You Need Them
Although some investigators have advocated the measurement of serum holo-transcobalamin II as a theoretically better measure of active vitamin B12, its clinical superiority has not been established, and holo-transcobalamin II assays are technically difficult to perform (129
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