@article{Brown2000,
author = {Brown, M.S.},
title= {Coitus, the proximate determinant of conception: inter-country variance in sub-Saharan Africa},
year = {2000},
doi = {10.1017/S0021932000001450},
journal = {Journal of Biosocial Science},
volume = {32},
number = {2},
pages = {145--159},
}