@article{Robertson2008,
author = {Robertson, L. and Gregson, S. and Madanhire, C. and Walker, N. and Mushati, P. and Garnett, G. and Nyamukapa, C.},
title= {Discrepancies between UN models and DHS survey estimates of maternal orphan prevalence: Insights from analyses of survey data from Zimbabwe},
year = {2008},
doi = {10.1136/sti.2008.029926},
volume = {84},
number = {Suppl. 1},
pages = {57--62},
}