title: [Contribution to the technic of factor IX activity determination. Antihemophilic globulin B; Christmas factor; PTC].
mesh_terms: D001780:Blood Coagulation Tests; D005164:Factor IX / Q000032:analysis*; D002836:Hemophilia B / Q000097:blood; D006801:Humans; D007201:Indicator Dilution Techniques; D008722:Methods; D010949:Plasma / Q000032:analysis
chemical_list: D005164:Factor IX
vernacular_title: Beitrag zur Methodik quantitativer Aktivitätsbestimmungen des Faktors IX. Antihämophiles Globulin B; Christmas factor; PTC.