(Q52860652)
Statements
Observer homogeneity in the histologic diagnosis of Helicobacter pylori. Latent class analysis, kappa coefficient, and repeat frequency. (English)
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Christensen AH
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Gjørup T
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Hilden J
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Fenger C
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Henriksen B
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Ostergaard K
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Hansen BF
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1 November 1992
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27
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11
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933-939
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