No abstract available
MeSH terms
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Aged, 80 and over
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Anemia, Hemolytic / diagnosis*
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Anemia, Hemolytic / drug therapy
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Diagnosis, Differential
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Humans
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Male
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Treatment Outcome
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Vitamin B 12 / administration & dosage*
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Vitamin B 12 Deficiency / diagnosis*
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Vitamin B 12 Deficiency / drug therapy
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Vitamin B Complex / administration & dosage*
Substances
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Vitamin B Complex
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Vitamin B 12