Prevention of hepatitis C virus infection in children with hemophilia A and B and von Willebrand's disease - Kreuz, W; Auerswald, G; Bruckmann, C; Zieger, B; Linde, R; Funk, M; Auberger, K; Sutor, A H; Rasshofer, R; Roggendorf, F M (Thromb Haemostas, 1992)