Useful links:

National Down Syndrome Society http://www.ndss.org/

American Association on Intellectual and Developmental Disabilities (AAIDD) (formerly the AAMR-American Association on Mental Retardation) http://www.aamr.org/

National Institutes of Child Health & Human Development-Klinefelter's Syndrome http://www.nichd.nih.gov/publications/pubs/klinefelter.cfm

Wilson's Disease Association International http://www.wilsonsdisease.org/

National Institute of Neurological Disorders and Stroke-Wilson's Disease http://www.ninds.nih.gov/disorders/wilsons/wilsons.htm

Trisomy 18 Foundation http://www.trisomy18.org/site/PageServer?pagename=parents_whatisT18

Fetal Alcohol Syndrome http://www.cdc.gov/ncbddd/fas/

National Organization on Fetal Alcohol Syndrome http://www.nofas.org/resource/

National Human Genome Research Institute-Turner Syndrome http://www.genome.gov/19519119

Medline Plus-Hurler Syndrome http://www.nlm.nih.gov/medlineplus/ency/article/001204.htm

National Institute of Neurological Disorders and Stroke-Lesch-Nyhan Syndrome http://www.ninds.nih.gov/disorders/lesch_nyhan/lesch_nyhan.htm