University of Utah
University of Utah: Genetic Science Learning Center: Cri Du Chat Syndrome
This a great article about cri-du-chat syndrome including diagnosis, symptoms, and genetic inheritance.
US National Library of Medicine
Medline Plus: Cri Du Chat Syndrome
This site has information on causes, symptoms, treatment, support groups, expectations and prognosis related to Cri-du-Chat, a genetic syndrome. Information is objectively presented and fairly thorough. Information is provided by A.D.A.M.