1. Heterosexually acquired HIv'-l infection;Evans, B.G.; Noone, A.; Mortimer, J.Y.; Gilbart, V.Z.; Gill, O.N.; Nicoll, A.
2. Second generation heterosexual transmission of HIV-1 infection;Gilbart, V.L.; Evans, B.G.; Noone, A.; Mortimer, J.Y.; Gill, O.N.;Communicable Disease Report,1992
3. Centers for Disease Control. HIVIAIDS surmeillance US AIDS cases reported through,1991
4. European Centre for Epidemiological M1onitoring of AIDS. AID) surveillance in Europe to.31st December 1991; quarterly report No 32,1992
5. HIV seropresalence and antenatal clinics;Willocks, L.; Haniilton, B.; Povey, S.; Brettle, R.;L.ancet,1992