@inbook{Trussell2011,
author = {Trussell, J. and Guthrie, K.A.},
title= {Choosing a contraceptive: Efficacy, safety, and personal considerations},
year = {2011},
editor = {Hatcher, R.A.},
editor = {Trussell, J.},
editor = {Nelson, A.L.},
editor = {Cates Jr., W.},
editor = {Kowal, D.},
editor = {Policar, M.S.},
booktitle = {Contraceptive technology},
address = {New York},
publisher = {Ardent Media, Inc.},
pages = {45--74},
}