Sites:
A Natural History of Cleidocranial Dysplasia: An article from Baylor College of Medicine.Cleidocranial Dysplasia: Information about this rare genetic disorder, studies and a chat room.
MedicineNet.com: Cleidocranial Dysplasia: Basic information.
National Library of Medicine: Cleidocranial Dysplasia (CCD, CLCD): A list of synonyms, summary and major features.