Higgins Jenny A, Davis Anne R
Gender and Women's Studies, University of Wisconsin-Madison, 475 North Charter Street, 3414 Sterling Hall, Madison, WI 53706, USA.
Columbia University Medical Center, 630 West 168th Street, New York, NY 10032, USA.
Contraception. 2014 Jul;90(1):4-10. doi: 10.1016/j.contraception.2014.02.029. Epub 2014 Mar 11.