REFERENCES
- Boden, G., Shore, L. S., Wilson, R. M., Essa-Kollmar, N. & Landor, J. H. Horm. Metab. Res. 1977, 9, 123–127
- Hanssen, L. E. Scand. J. Gastroent. 1980, 15, in press
- Hanssen, L. E. & Torjesen, P. Scand. J. Gastroent. 1977, 12, 481–488
- Hodges, J. L., Jr. & Lehmann, E. L. pp. 318–322 in Basic Concepts of Probability and Statistics. Holden-Day Inc., San Francisco, London & Amsterdam, 1964
- Iwata, T. & Yamasaki, K. J. Biochem. (Tokyo) 1964, 56, 424–431
- Jansson, R., Steen, G. & Svanvik, J. Scand. J. Gastroent. 1978, 13, 919–926
- Lagerlöf, H. O. Acta Med. Scand. 1942, Suppl. 128, 89–91
- Larsen, L. A. & Krarup, N. Acta Physiol. Scand. 1978, 102, 420–424
- Mellanby, J. J. Physiol. (Lond.) 1926, 61, 419–435
- Osnes, M., Hanssen, L. E., Flaten, O. & Myren, J. Gut 1978, 19, 180–184
- Smallwood, R. A. & Hoffman, N. E. Gastroenterology 1976, 71, 1064–1066
- Vaines, K., Flaten, O., Hanssen, L. E. & Foss, O. P. Scand. J. Gastroent. 1980, 15, in press