1. The effect of patient gynecologic history on clinician contraceptive counseling;Dehlendorf;Contraception,2010
2. Unintended pregnancy in the United States: incidence and disparities, 2006;Finer;Contraception,2011
3. Contraceptive technology;Hatcher,2011
4. Mosher WD, Jones J. Use of contraception in the United States: 1982–2008. Hyattsville, MD: National Center for Health Statistics, Vital and Health Statistics. 2010 Aug [cited 2013 Jun 20]; 23(29). Available from: http://www.cdc.gov/nchs/data/series/sr_23/sr23_029.pdf.
5. Effectiveness of long-acting reversible contraception;Winner;N Engl J Med,2012