Grossman Daniel, White Kari, Hopkins Kristine, Potter Joseph E
Texas Policy Evaluation Project, Austin, TX 78712, USA; Ibis Reproductive Health, Oakland, CA 94612, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94110, USA.
Texas Policy Evaluation Project, Austin, TX 78712, USA; Department of Health Care Organization and Policy, School of Public Health, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
Contraception. 2014 Feb;89(2):73-4. doi: 10.1016/j.contraception.2013.10.012. Epub 2013 Nov 4.