@article{Vaughan2008,
author = {Vaughan, B. and Trussell, J. and Kost, K. and Singh, S. and Jones, R.},
title= {Discontinuation and resumption of contraceptive use: Results from the 2002 National Survey of Family Growth},
year = {2008},
doi = {10.1016/j.contraception.2008.05.007},
volume = {78},
number = {4},
pages = {271--283},
}