1Joint United Nations Program on HIV/ AIDS (UNAIDS) and the World Health Organization. AIDS epidemic update: December 2001.[R]. UNAIDS/01.74E. Geneva: UNAIDS, 2001.
2Mofenson LM, Mclntyre JA. Advances and research directions in the prevention of mother-to child HIV-1 transmission[J]. Lancet,2000, 335 : 2 237 - 2 244.
3Vernazza PL, Kashuba ADM, Cohen MS. Biological correlates of sexual transmission of HIV: practical consequences and potential targets for public health [J]. Rev Med Microbiol, 2001, 12:131 -142.
4Fideli US, Allen SA, Musonda R, et al. Virologic and immunologic determinants of heterosexual transmission of human immunodeficiency virus type 1 in Africa [ J ]. AIDS Res Hum Retroviruses,2001. 17: 901-910.
5Chakraborty H, Helms RW, Sen PK, et al. Es$imating correlation by using a general linear mixed model: evaluation of the relationship between the concentration of HIV-1 RNA in blood and semen [J].Stat Med, 2003(in press).
6Taylor S, Back DJ, Drake SM, et al. Antiretroviral drug concentrations in semen of HIV-infected men: differential penetration of indinavir, ritonavir, and saquinavir[J]. J Antimicrob Chemother, 2001,48:351 - 354.
7Gray RH, Wawer MJ, Broolmeyer R, et al. Probability of HIV-1 transmission per coital act in monogamous, hetero6exual, HIV-1-diseordant couples in Rakai, Uganda. Rakai Project Team[J]. Lancet,2001, 357:1 149- 1 153.
8Smite IG, Dukers NH, de Wit JB, et al. Increase in sexually transmitted infections among homosexual men in Amsterdam in relation to HAART[J]. Sex Transm Infect, 2001, 77: 184-186.
9Katz MH, Schwartz DK, Kellogg TA, et al. Impact of highly active antiretroviral treatment on HIV seroincidence among men who have sex with men: San Francisco[J]. Am J Public Health, 2002, 92:388 - 394.
10Remington JS, Swartz M, eds. Current clinical topics in infectious diseases[J]. Cambridge, MA: Bhckwell Science, 2001.
