Key References
- Robert, A Gastroenterology 1979 77 433–443.
- Sachs, G Physiology of the Gastrointestinal Tract Johnson, LR Raven Press New York 1987 865–882.
- Holt, S Howden, CN Dig. Dis. Sci. 1991 36 385–393.
- Rauws, EAJ Tytgat, GNJ Lancet 1990 1 1233–1235.