The International Ostomy Association (englanninkielinen)
www.ostomyinternational.org
The interactive colostomy lifestyle website (englanninkielinen)
www.ostomy.fsnet.co.uk
Invisible Disabilities - helping people understand chronic illness and pain (englanninkielinen)
www.invisibledisabilities.com
Jackson Gastroenterology - Health information on the digestive system (englanninkielinen)
www.gicare.com/index.htm
The United Ostomy Association (englanninkielinen)
www.uoa.org
The National Association for Colitis and Crohn's Disease (englanninkielinen)
www.nacc.org.uk
The Ileostomy and Internal Pouch Support Group (englanninkielinen)
www.the-ia.org.uk
