Assay of antihaemophilic factor using the prothrombin conversion ratio.
D001780:Blood Coagulation Tests; D005169:Factor VIII; D006467:Hemophilia A / Q000097:blood*; D006490:Hemostatics; D006801:Humans; D011516:Prothrombin; D014842:von Willebrand Diseases
D006490:Hemostatics; C078147:F8 protein, human; D011516:Prothrombin; D005169:Factor VIII
HEMOPHILIA/blood in; PROTHROMBIN