1. guidelines for counselling and antibody testing to prevent HIV infection and AIDS;Public Health Service;MMWR,1987
2. Behavioral consequences of AIDS antibody testing among gay men;Coates;JAMA,1987
3. Sexual practices and condom use in a cohort of homosexual men: Evidence of differential modification between seropositive and seronegative men;Willoughby,1987
4. The HIV antibody test influence on sexual behaviour of homosexual men;Farthing,1987