Isolation of new lymphotropic retrovirus from two siblings with haemophilia B, one with AIDS - Vilmer, E; Rouzioux, C; Vezinet Brun, F; Fischer, A; Chermann, J C; Barre-Sinoussi, F; Gazengel, C; Dauguet, C; Manigne, P; Griscelli, C; Montagnier, L (Lancet, 1984)