@article{Finer2014,
author = {Finer, L.B.  and Zolna, M. },
title= {Shifts in intended and unintended pregnancies in the United States: 2001-2008},
year = {2014},
doi = {10.2105/AJPH.2013.301416},
journal = {American Journal of Public Health },
volume = {104},
pages = {43--48},
}