1. Massachusetts General Hospital. Down syndrome program. 2014. http://www.massgeneral.org/downsyndrome. Accessed 5 June 2014.
2. Massachusetts Down Syndrome Congress. Parents First Call. 2014. http://www.mdsc.org/programs/ParentsFirstCall.cfm. Accessed 5 June 2014.
3. Massachusetts Down Syndrome Congress. Hosting Grand Rounds. 2014. http://www.mdsc.org/programs/HostingGrandRounds.cfm. Accessed 5 June 2014.
4. Skotko B. Prenatal diagnoses of Down syndrome: delivering results in our new age of genetic testing. 2014. http://mghacademy.org/courses/course-detail/prenatal_diagnoses_of_down_syndrome_delivering_results_in_our_new_age_. Accessed 5 June 2014.
5. Massachusetts Down Syndrome Congress. Landmark prenatal testing bill signed into law. 2012. http://www.mdsc.org/mdsc_Content/documents/Prenatal_bill_signed_into_law.pdf. Accessed 5 June 2014.