"Cri-Du-Chat" <http://cjh.virtualave.net/cri-du-chat/> 4 dec.2001.

"Cri-Du-Chat Syndrome Support Group" <http://www.criduchat.u-net.com/> 4 dec.2001.

Niebuhr, E. The cri du chat syndrome: epidemiology, cytogenetics, and clinical features. Hum. Genet. 44: 227-275, 1978.