The combined use of monoclonal antibody-based enzyme-linked immunoabsorbent assays (ELISA) for factor VIII antigens (VIII:Ag) and von Willebrand factor antigen (vWF:Ag) for the detection of carriers of haemophilia A - Furlong, RA; Chesham, J; Peake, IR (Clin Lab Haematol, 1988)