title: Value of factor VIII related antigen as a means of demonstrating extramedullary megakaryopoiesis.
mesh_terms: D000941:Antigens / Q000032:analysis*; D005169:Factor VIII / Q000032:analysis / Q000276:immunology*; D006410:Hematopoiesis; D006801:Humans; D007158:Immunologic Techniques; D008533:Megakaryocytes / Q000276:immunology; D014841:von Willebrand Factor
chemical_list: D000941:Antigens; D014841:von Willebrand Factor; D005169:Factor VIII