Christmas diseasecongenital factor IX deficiencycongenital factor IX disorderdeficiency, functional factor IXfactor IX deficiencyhaemophilia b, X-linked recessivehaemophilia type Bhemophilia Bhemophilia b, X-linked recessivehemophilia type Bhereditary Factor IX deficiencyhereditary Factor IX deficiency diseaseF9 deficiencyHEMBfactor 9 deficiencyhaemophilia B Leydenhaemophilia B(M)hem Bhemophilia B Leydenhemophilia B(M)plasma thromboplastin component deficiency
Definition
Hemophilia B is a form of hemophilia characterized by spontaneous or prolonged hemorrhages due to factor IX deficiency.
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