Guardian Society: Support group for parents that have kids with Hirschsprungs disease.Hirschsprung's Disease - Learn more about it and how to deal with it: This Hirschsprung's Disease site was made for information and educational purposes. Written from someone who has HD.International Foundation for Functional Gastrointestinal Disorders: IFFGD is a nonprofit support, education, and research organization which addresses issues of digestive health.The Hirschsprungs & Motility Disorders Support Network: Provides information and support to parents of children with these conditions. Includes related journal articles in PDF format.