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Biochemical markers by strata of serum vitamin B-12 concentration at... | Download Table
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Serum concentrations of vitamin B12 and folate in British male omnivores, vegetarians and vegans: results from a cross-sectional analysis of the EPIC-Oxford cohort study | European Journal of Clinical Nutrition
Vitamin B12 Levels: Normal Range Chart • PA Relief
Vitamin B-12 level test: Uses, normal ranges, and results