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Title
Effectiveness of needle-exchange programmes for prevention of HIV infection.
Authors
Hurley, S F; Jolley, D J; Kaldor, J M
Abstract
Needle-exchange programmes (NEPs) are potentially a key strategy for containing the spread of HIV infection among injecting drug users, but their implementation has been limited by uncertainty about their effectiveness. We used an ecological study design to compare changes over time in HIV seroprevalence in injecting drug users worldwide, for cities with and without NEPs.