McLemore MR, Levi A. Nurses and Care of Women Seeking Abortions, 1971 to 2011. Journal of Obstetric Gynecologic Neonatal Nursing. November/December 2011; 40(6):672–677.
Alex Schulte, Biggs MA. Association Between Facility and Clinician Characteristics and Family Planning Services Provided During U.S. Outpatient Care Visits. Women's Health Issues. August 2023; https://doi.org/10.1016/j.whi.2023.06.008.