No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Bile / chemistry*
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Cadmium / analysis
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Case-Control Studies
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Cholelithiasis / chemistry
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Chromium / analysis
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Female
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Gallbladder Neoplasms / chemically induced*
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Humans
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Lead / analysis
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Male
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Metals, Heavy / analysis*
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Middle Aged
Substances
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Metals, Heavy
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Cadmium
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Chromium
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Lead