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PDF] Diagnosis and Treatment of Vitamin B12 Deficiency. an Update from a Fatal Disease to a Biochemical Condition Causes of Vitamin B12 Deficiency | Semantic Scholar
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Vitamin B12 Deficiency: Recognition and Management | AAFP
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Vitamin B12 Deficiency: Recognition and Management | AAFP
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Vitamin B12 Deficiency: Recognition and Management | AAFP