%0 Journal Article %T Enrolling Adolescents in Research on HIV and Other Sensitive Issues: Lessons from South Africa %A Jerome Amir Singh %A Salim S Abdool Karim %A Quarraisha Abdool Karim %A Koleka Mlisana %A Carolyn Williamson %A Clive Gray %A Michelle Govender %A Andrew Gray %J PLOS Medicine %D 2006 %I Public Library of Science (PLoS) %R 10.1371/journal.pmed.0030180 %U http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.0030180