@article{Finer2012,
author = {Finer, L.B. and Jerman, J. and Kavanaugh, M.L.},
title= {Changes in use of long-acting contraceptive methods in the United States, 2007‒2009},
year = {2012},
doi = {10.1016/j.fertnstert.2012.06.027},
volume = {98},
number = {4},
pages = {893--897},
}