No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, Non-P.H.S.
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Case-Control Studies
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Child
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Child, Preschool
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Female
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Hemophilia A
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Humans
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Male
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Mass Screening / methods
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Phenotype
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Surveys and Questionnaires
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von Willebrand Diseases / diagnosis*
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von Willebrand Diseases / genetics*