title: Letter: Factor VIII.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000032:analysis; D002845:Chromatography; D005169:Factor VIII / Q000032:analysis*; D005340:Fibrinogen / Q000032:analysis; D006801:Humans; D007106:Immune Sera; D011817:Rabbits / Q000276:immunology; D014842:von Willebrand Diseases / Q000276:immunology
chemical_list: D000941:Antigens; D007106:Immune Sera; D005169:Factor VIII; D005340:Fibrinogen