No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Appendectomy
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Child
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Child, Preschool
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Electroencephalography
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Female
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Gastrointestinal Diseases / etiology*
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Humans
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Male
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Middle Aged
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Neurotic Disorders / etiology*
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Postoperative Complications*
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Psychophysiologic Disorders / etiology*