1. The American College of Obstetricians and Gynecologists. (2014, November). Abortion training and education. Committee Opinion. https://www.acog.org/clinical/clinical-guidance/committee-opinion/articles/2014/11/abortion-training-and-education
2. Anderson E., Salganicoff A., Sobel L. (2021, December 2). State restrictions on telehealth abortion. Charts & Slides. https://www.kff.org/womens-health-policy/slide/state-restrictions-on-telehealth-abortion/
3. Barry D., Rugg J. (2015). Improving abortion access by expanding those who provide care. Report. https://www.americanprogress.org/issues/women/reports/2015/03/26/109745/improving-abortion-access-by-expanding-those-who-provide-care
4. Unintended pregnancy and abortion by income, region, and the legal status of abortion: estimates from a comprehensive model for 1990–2019
5. Legalized abortion: Effect on national trends of maternal and abortion-related mortality (1940 through 1976)