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2. Using a simulated patient to assess referral for abortion services in the United States;Dodge;Journal of Family Planning and Reproductive Health Care,2012
3. Unintended pregnancy in the United States: Incidence and disparities, 2006;Finer;Contraception,2011
4. Guttmacher Institute. (2008). An overview of abortion in the Unites States. Accessed from: http://www.guttmacher.org/
5. Guttmacher Institute. (2010). State policies in brief: An overview of abortion laws. Accessed from: http://www.guttmacher.org/statecenter/spibs/spib_OAL.pdf