权威例句
Non-ulcerative sexually transmitted diseases as risk factors for HIV-1 transmission in women: results from a cohort studyHeterosexual risk of HIV-1 infection per sexual act: systematic review and meta-analysis of observational studiesEffectiveness of COL-1492, a nonoxynol-9 vaginal gel, on HIV-1 transmission in female sex workers: a randomised controlled trialLack of effectiveness of cellulose sulfate gel for the prevention of vaginal HIV transmission.HIV infection in European female sex workers: Epidemiological link with use of petroleum-based lubricants.Condom promotion, sexually transmitted diseases treatment, and declining incidence of HIV-1 infection in female Zairian sex workers.Lack of effectiveness of cellulose sulfate gel for the prevention of vaginal HIV transmission.[Erratum appears in N Engl J Med. 2008...RE; “HIGH RATES OF HIV INFECTION AMONG INJECTION DRUG USERS PARTICIPATING IN NEEDLE EXCHANGE PROGRAMS IN MONTREAL: RESULTS ...Decline in the prevalence of HIV and sexually transmitted diseases among female sex workers in Cotonou, Benin, 1993-1999Evaluation design for large-scale HIV prevention programmes: the case of Avahan, the India AIDS initiative.