Atresia in the Yahoo! Directory

Tracheo-Oesophageal Fistula and Oesophageal Atresia Support Group
U.K. charity supporting the families and carers of chidren born with TOF, OA, VACTERL syndrome, or any form of oesophageal defect or damage.
www.tofs.org.uk
Children's Liver Alliance, Inc.
Support group for the families and friends of children with liver disease.
www.liverkids.org.au
Wikipedia: Biliary Atresia
User-edited article about biliary atresia, a rare condition in newborn infants in which the common bile duct between the liver and the small intestine is blocked or absent.
en.wikipedia.org/wiki/Biliary_atresia