No abstract available
Publication types
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Comparative Study
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English Abstract
MeSH terms
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Adolescent
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Adult
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Age Factors
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Aged
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Aged, 80 and over
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Cholelithiasis / diagnosis
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Cholelithiasis / epidemiology*
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Cross-Sectional Studies
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Female
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Humans
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Italy
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Male
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Middle Aged
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Sex Factors
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Ultrasonography