@article{Shreffler2014,
author = {Shreffler, K.M. and Greil, A.L. and Mitchell, K.S. and McQuillan, J.},
title= {Variation in pregnancy intendedness across U.S. women’s pregnancies},
year = {2014},
doi = {10.1007/s10995-014-1615-8},
volume = {19},
number = {5},
pages = {932--938},
}