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  • Biomarkers of vitamin B-12 status in NHANES: a roundtable summary 1 6 

    A roundtable to discuss the measurement of vitamin B-12 (cobalamin) status biomarkers in NHANES took place in July 2010. NHANES stopped measuring vitamin B-12?related biomarkers after 2006. The roundtable reviewed 3 ...
  • Screening for vitamin B-12 and folate deficiency in older persons 

    MCPARTLIN, JOSEPH; SCOTT, JOHN MARTIN (American Society for Clinical Nutrition, 2003)
    Background: Vitamin B-12 deficiency is usually accompanied by elevated concentrations of serum total homocysteine (tHcy) and methylmalonic acid (MMA). Folate deficiency also results in elevated tHcy. Measurement of these ...