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Furthermore, W32 can be oxidized by the carbonate radical produced by SOD1 bicarbonate-dependent peroxidase activity, leading to the formation of a SOD1 covalent dimer cross-linked by a di-tryptophan bond

Diagnosis of cobalamin deficiency I: usefulness of serum methylmalonic acid and total homocysteine concentrations

You may choose to retest every 3 months, 6 months or year