Serum cobalamin, homocysteine, and methylmalonic acid concentrations in a multiethnic elderly population: ethnic and sex differences in cobalamin and metabolite abnormalities

Ralph Carmel, Ralph Green, Donald W. Jacobsen, Karsten Boye Rasmussen, Mircea Florea, Colleen Azen

American Journal of Clinical Nutrition · 1999 · 177 citations · 37 references

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