No abstract available
MeSH terms
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Dietary Supplements*
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Gastric Bypass / adverse effects*
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Humans
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Nutrition Disorders / etiology*
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Nutrition Disorders / prevention & control*
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Obesity, Morbid / surgery
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Patient Compliance
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Postoperative Complications
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Research Design
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Treatment Outcome
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Vitamins / administration & dosage*
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Vitamins / metabolism