@article{Finer2011,
author = {Finer, L.B.  and Zolna, M.R. },
title= {Unintended Pregnancy in the United States: Incidence and Disparities, 2006},
year = {2011},
doi = {10.1016/j.contraception.2011.07.013},
journal = {Contraception},
volume = {84},
pages = {478--485},
}