title: Evaluation of HIV prevention programmes: the case of Avahan.
authors.forename: Stefano M
authors.initials: SM
authors.lastname: Bertozzi
authors.forename: Nancy
authors.initials: N
authors.lastname: Padian
authors.forename: Tyler E
authors.initials: TE
authors.lastname: Martz
mesh_terms: D003695:Delivery of Health Care / Q000458:organization & administration; D015658:HIV Infections / Q000453:epidemiology / Q000517:prevention & control*; D006293:Health Promotion / Q000458:organization & administration; D006801:Humans; D007194:India / Q000453:epidemiology; D015397:Program Evaluation / Q000379:methods*