Long-term evaluation of HIV-antigen and antibodies to p 24 and gp 41 in patients with hemophilia: potential clinical importance - Allain, J P; Laurian, Y; Paul, D A; Verroust, F; Leuther, M; Gazengel, C; Senn, D; Larrieu, M J; Bosser, C (N Engl J Med, 1987)