Ross, D. A.,Changalucha, J.,Obasi, A. I.,Todd, J.,Plummer, M. L.,Cleophas-Mazige, B.,Anemona, A.,Everett, D.,Weiss, H. A.,Mabey, D. C.,Grosskurth, H.,Hayes, R. J.. Biological and behavioural impact of an adolescent sexual health intervention in Tanzania: a community-randomized trial. Aids. 2007. 21:1943-55