The CaF DirectoryA description of Cornelia de Lange syndrome, its inheritance patterns and pre-natal diagnosis.
http://www.cafamily.org.uk/Direct/c72.html
NORD - Cornelia de Lange SyndromeOffers the synonyms, a general discussion and further resources.
http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Cornelia%20de%20Lange%20Syndrome