Genetic Disorders :::
MedLine Plus Health Information
Centers for Disease Control and Prevention
National Down Syndrome Society
Huntington's Disease Society of America
Spina Bifida Association of America
Klinefelter Syndrom and Associates
Turner Syndrome Society of the U.S.
Muscular Dystrophy Association
National PKU News (phenylketonuria)
The Sickle Cell Information Center
Tay-Sachs Disease Information Page
National Hemophilia Foundation
Rett Syndrome Research Foundation
National Organization on Fetal Alcohol Syndrome
