No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Aged
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Aged, 80 and over
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Female
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Gastrointestinal Neoplasms / surgery*
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Humans
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Male
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Middle Aged
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Parenteral Nutrition, Total*
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Preoperative Care / methods*
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Prospective Studies
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Risk