1. 1986 No 6;Scottish Home and Health Department. Pnrson statistics (Scotland,1986
2. WHO consultation on prevention and control of AIDS in prisons;World Health Organisation;Lancet,1987
3. Harding rw. AIDS in prison;Lancet,1987
4. Prevalence of antibodies to human immunodeficiency virus, gonorrhoea rates and changed sexual behaviour in homosexual men in London;Carne, C.A.; Weller, I.V.D.; Johnson, A.M.;Lancet,1987