@article{Wringe2009,
author = {Wringe, A. and Cremin, I. and Todd, J. and McGrath, N. and Kasamba, I. and Herbst, K. and Mushore, P. and Żaba, B. and Slaymaker, E. },
title= {Comparative assessment of the quality of age-at-event reporting in three HIV cohort studies in sub-Saharan Africa},
year = {2009},
doi = {10.1136/sti.2008.033423},
journal = {Sexually Transmitted Infections},
volume = {85},
number = {Suppl 1},
pages = {i56--i63},
}