There really aren't any, Deseret News, retrieved April 11, 2015 McNeil, Jr., Donald (January 14, 2003), Worship Optional: Joining a Church To Avoid Vaccines, New York Times, retrieved April 11, 2015 Turner v. Liverpool Cent.
There really aren't any، Deseret News، اطلع عليه بتاريخ April 11, 2015  McNeil, Jr.، Donald (January 14, 2003)، Worship Optional: Joining a Church To Avoid Vaccines، نيويورك تايمز، اطلع عليه بتاريخ April 11, 2015  Turner v. Liverpool Cent.