Posted on 10/13/2008 4:24:33 AM PDT by sciencefreeper
Data sources: 30 electronic databases without linguistic or geographical restrictions to February 2007, contacts with experts, hand searching, and cross referencing.
Conclusion: Programmes that exclusively encourage abstinence from sex do not seem to affect the risk of HIV infection in high income countries...
(Excerpt) Read more at bmj.com ...
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