Ilizarov and External Fixator Support Group For all those undergoing orthopaedic surgery and medical treatments utilizing any form of external bone fixation. http://www.ilizarov.org.uk

The Hirschsprungs and Motility Disorders Support Network Formerly called The Guardian Society, offers support to parents of children with Hirschsprungs and other bowel conditions. http://www.hirschsprungs.info