title: Combination HIV prevention must be based on evidence.
authors.forename: Daniel T
authors.initials: DT
authors.lastname: Halperin
mesh_terms: D003256:Community Participation; D019317:Evidence-Based Medicine; D015658:HIV Infections / Q000517:prevention & control*; D006292:Health Priorities; D006801:Humans; D011634:Public Health / Q000379:methods*; D012307:Risk Factors