No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Adult
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Aged
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Contraceptives, Oral, Combined / administration & dosage*
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Cross-Sectional Studies
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Estrogen Replacement Therapy*
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Female
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Homocysteine / blood
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Humans
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Methylmalonic Acid / blood
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Middle Aged
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Transcobalamins / analysis
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Vitamin B 12 / blood*
Substances
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Contraceptives, Oral, Combined
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Transcobalamins
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Homocysteine
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Methylmalonic Acid
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Vitamin B 12