@article{Kaufman1997,
author = {Kaufman, J.S. and Asuzu, M.C. and Rotimi, C.N. and Johnson, O.O. and Owoaje, E.E. and Cooper, R.S.},
title= {The absence of adult mortality data for sub-Saharan Africa: a practical solution},
year = {1997},
journal = {Bulletin of the WHO},
volume = {75},
number = {5},
pages = {389--395},
}