@article{Stephenson2007,
author = {Stephenson, R. and Baschieri, A. and Clements, S. and Hennink, M. and Madise, N.},
title= {Contextual influences on modern contraceptive use in sub-Saharan Africa},
year = {2007},
doi = {10.2105/AJPH.2005.071522},
journal = {American Journal of Public Health},
volume = {97},
number = {7},
pages = {1233--1440},
}