No abstract available
MeSH terms
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Adult
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Aged
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Biopsy
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Body Composition*
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Cobalt Isotopes
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Female
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Humans
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Liver / analysis
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Male
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Middle Aged
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Radioisotope Dilution Technique
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Vitamin B 12 / analysis*
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Vitamin B 12 / blood
Substances
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Cobalt Isotopes
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Vitamin B 12