Immune status of human immunodeficiency virus seropositive and seronegative hemophiliacs infused for 3.5 years with recombinant factor VIII - Mannucci, P M; Brettler, D B; Aledort, L M; Lusher, J M; Abildgaard, C F; Schwartz, R S; Hurst, D (Blood, 1994)