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Factor Ⅶ deficiency has an estimated incidence of 1/500,000 in the general population and autosomal recessive pattern of inheritance. Factor Ⅶ deficiency is characterized by prolonged prothrombin time(PT), and normal activated partial thromboplastin time(aPTT) and bleeding time(BT). Definite diagnosis of this condition requires a specific Factor Ⅶ assay. The clinical features are variable and do not always correlate with the... |
