title: Antigen-biological-activity ratio for factor VIII.
mesh_terms: D000941:Antigens / Q000032:analysis*; D011232:Chemical Precipitation; D005169:Factor VIII / Q000032:analysis*; D006467:Hemophilia A / Q000175:diagnosis; D006801:Humans; D014842:von Willebrand Diseases / Q000175:diagnosis / Q000276:immunology*
chemical_list: D000941:Antigens; D005169:Factor VIII