The sexual health of pupils in years 4 to 6 of primary schools in rural Tanzania
J Todd, J Changalucha, D A Ross, F Mosha, A I N Obasi, M Plummer, R Balira, H Grosskurth, D C W Mabey, R Hayes
Sexually Transmitted Infections Feb 2004, 80 (1) 35-42; DOI: 10.1136/sti.2003.005413