No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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China / epidemiology
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Factor IX / genetics*
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Family Health
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Female
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Gene Frequency
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Hemophilia B / genetics
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Heterozygote
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Humans
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Male
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Mass Screening
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Point Mutation
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Polymerase Chain Reaction
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Polymorphism, Genetic
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Prenatal Diagnosis