@article{Mauldin1988,
author = {Mauldin, W.P. and Segal, S.J.},
title= {Prevalence of contraceptive use: Trends and issues},
year = {1988},
doi = {10.2307/1966628},
journal = {Studies in Family Planning},
volume = {19},
number = {6},
pages = {335--353},
}