1. Sullivan R. Sperm mix-up lawsuit is settled. The New York Times. Available at: http://www.nytimes.com/1991/08/01/nyregion/sperm-mix-up-lawsuit-is-settled.html. Accessed May 23, 2014.
2. Adams B. Punitive damages returned for sperm switch. The Leg Examiner. Available at: http://www.legalexaminer.com/miscellaneous/punitive-damages-returned-for-sperm-switch. Accessed June 2, 2014.
3. University of Utah Health Sciences Center Special Review Committee. Analysis and Recommendations in the Case of Mr. Thomas Ray Lippert. Available at: http://healthcare.utah.edu/community-lab-facts. Published April 21, 2014. Accessed May 12, 2014.
4. Fertility doctor gets five years. The New York Times. Available at: http://www.nytimes.com/1992/05/09/us/fertility-doctor-gets-five-years.html. Accessed June 16, 2014.
5. Recommendations for gamete and embryo donation: a committee opinion;Fertil Steril,2013