No abstract available
MeSH terms
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Diagnostic Errors
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Humans
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Latex Fixation Tests / standards*
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Reagent Kits, Diagnostic / standards
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Rheumatoid Factor / immunology*
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von Willebrand Diseases / diagnosis
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von Willebrand Factor / analysis*
Substances
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Reagent Kits, Diagnostic
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von Willebrand Factor
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Rheumatoid Factor