1. Alexander v. Whitman. 1997. 114 F.3d 1392 (3d Cir.).
2. Pregnancy in patients with heart disease: Experience with 1,000 cases
3. American College of Obstetricians and Gynecologists, Committee on Ethics. 2016. The limits of conscientious refusal in reproductive medicine. Number 385, November 2007, reaffirmed 2016. Available at: https://www.acog.org/Clinical-Guidance-and-Publications/Committee-Opinions/Committee-on-Ethics/The-Limits-of-Conscientious-Refusal-in-Reproductive-Medicine (accessed February 2, 2018).
4. Committee Opinion No. 612
5. Bailey v. Alabama. 1911. 219 U.S. 219.