The reaction between factors 8 and 9 to form a factor 10 activator.
D005164:Factor IX; D005169:Factor VIII; D005170:Factor X; D006801:Humans; D066298:In Vitro Techniques; D013917:Thrombin
D005169:Factor VIII; D005164:Factor IX; D005170:Factor X; D013917:Thrombin