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2. Ministerie van Volksgezondheid, Welzijn en Sport—Inspectie voor de Gezondheidszorg (IGZ): Dutch Ministry of Public Health, Welfare and Sports–Healthcare Inspectorate, Jaarrapportage 2015 van de Wet Afbreking Zwangerschap. https://www.igz.nl/zoeken/document.aspx?doc=Jaarrapportage+2015+van+de+Wet+afbreking+zwangerschap&docid=11086
3. What women want from abortion counseling in the United States: A qualitative study of abortion patients in 2008;AM Moore;Soc Work Health Care,2012
4. Evaluation of Termination of Pregnancy Act;M Visser
5. Timing of steps and reasons for delays in obtaining abortions in the United States;LB Finer;Contraception,2006