the International Study Group - Mannucci, P M; Schimpf, K; Brettler, D B; Ciavarella, N; Colombo, M; Haschke, F; Lechner, K; Lusher, J; Weissbach, G (Ann Intern Med, 1990)
Low risk for Hepatitis in hemophiliacs given a high purity, pasteurized factor VIII concentrate