No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Anemia, Pernicious / etiology*
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Erythrocytes
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Female
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Hemoglobins / analysis
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Humans
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Malabsorption Syndromes / complications*
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Male
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Retrospective Studies
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Vitamin B 12 / blood*
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Vitamin B 12 Deficiency / blood
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Vitamin B 12 Deficiency / complications*