@article{Zaba2009,
author = {Zaba, B., Isingo, R., Wringe, A., Marston, M., Slaymaker, E., and Urassa, M.},
title= {Influence of timing of sexual debut and first marriage on sexual behaviour in later life: findings from four survey rounds in the Kisesa cohort in northern Tanzania},
year = {2009},
doi = {10.1136/sti.2008.033704},
journal = {Sexually Transmitted Infections},
volume = {85},
number = {Suppl 1},
pages = {i20--i26},
}