Indigestion
- A look at this and some alternative names, symptoms, diagnosis and treatment.
- http://digestive.niddk.nih.gov/ddiseases/pubs/indigestion/

Belching or Eructation
- About its causes, prevention, swallowing of air, magenblase syndrome and gas-bloat syndrome.
- http://www.diagnosishealth.com/discussion1/belching.htm

Treatment of Intestinal Gas
- Information concerning causes and treatment of intestinal gas.
- http://www.diagnosishealth.com/gas.htm