No abstract available
MeSH terms
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Adult
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Avitaminosis / diagnosis
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Blood Donors
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Female
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Humans
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Iron / administration & dosage*
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Iron / blood
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Iron Deficiencies
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Male
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Nutritional Status*
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Pregnancy
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Russia
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Selenium / administration & dosage*
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Selenium / blood
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Vitamins / administration & dosage*
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Vitamins / blood