@article{Ayeni1979,
author = {Ayeni, O. and Olayinka, A.},
title= {An evaluation of a special-type vital statistics registration system in a rural area of Nigeria},
year = {1979},
doi = {10.1093/ije/8.1.61},
journal = {International Journal of Epidemiology},
volume = {8},
number = {1},
pages = {61--68},
}