No abstract available
MeSH terms
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Administration, Oral
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Aged
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Aged, 80 and over
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Anemia, Pernicious / blood
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Anemia, Pernicious / complications*
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Anemia, Pernicious / drug therapy*
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Female
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Humans
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Time Factors
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Vitamin B 12 / administration & dosage*
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Vitamin B 12 / therapeutic use*
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Vitamin B 12 Deficiency / blood*
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Vitamin B 12 Deficiency / drug therapy*
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Vitamin B 12 Deficiency / etiology