An interactive presentation by YourGenesYourHealth.org
By the National Association for Down Syndrome (NADS)
By the National Institutes of Health; National Institute of Child Health & Human Development (NICHD)
Down syndrome Associated Conditions
By the National Down Syndrome Society (NDSS)
By Children’s Hospital of the Kings Daughters, Norfolk, Va.
By Patient Plus, United Kingdom
Down syndrome Mortality/Morbidity
By Harold Chen, MD, MS, FAAP, FACMG published by Emedicine.com
By Len Leshin, M.D., F.A.A.P.
From Better Health Channel — Published by the Australian government
Resourses, Down syndrome and Cardiac Surgery
BMJ: British Medical Journal
By the National Down Syndrome Society (NDSS)