No abstract available
MeSH terms
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Adult
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Age Factors
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Aged
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Autopsy
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Cholecystectomy*
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Cholelithiasis / epidemiology
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Cholelithiasis / surgery*
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Female
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Humans
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Indians, North American
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Insurance, Hospitalization*
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Male
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Middle Aged
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Pregnancy
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Sex Factors
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United States