National Library of MedicinePallister-Hall syndrome, its synonyms, a summary and a list of major features.
http://www.nlm.nih.gov/mesh/jablonski/syndromes/syndrome521.html
NORD: Pallister Hall SyndromeOffers the synonyms, a general discussion and further resources.
http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Pallister%20Hall%20Syndrome
Yahoo! Groups : Pallister-Hall SyndromeDetails and instructions for joining, posting and reading the mail for this email support group.
http://groups.yahoo.com/group/pallister-hall_syndrome/