The inhibitor antibody response is more complex in hemophilia patients than in most nonhemophiliacs with factor VIII autoantibodies - Prescott, R; Nakai, H; Saenko, E; Scharrer, I; Nilsson, I; Humphries, J; Hurst, D; Bray, G; Scandella, D; the recombinate kogenate study groups (Blood, 1997)