No abstract available
MeSH terms
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Case-Control Studies
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Colitis, Ulcerative / ethnology*
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Colitis, Ulcerative / genetics*
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Genotype
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Histocompatibility Antigens Class II / genetics*
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Humans
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Poland
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Polymerase Chain Reaction
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White People / ethnology*
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White People / genetics*
Substances
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Histocompatibility Antigens Class II