REFERENCES
- Bodemar, G. & Walan, A. Lancet 1976, 2, 161
- Bohman, T., Schrumpf, E., Myren, J. & Foss, P. O. Scand. J. Gastroent. 1978, 13, Suppl. 48
- Carter, D. C., Forrest, J. A. H., Logan, A., Ansell, I., Lidgard, G., Heading, R. C. & Sherman, D. J. C. Scand. J. Gastroent. 1976, 11, 565
- Chierichetti, S. M., Oselladore, D. & Noberto, L. p. 46 in Proceedings of the VIth World Congress of Gastroenterology, Madrid, 1978
- Hassan, M. A. & Hobsley, M. Brit. Med. J. 1970, 1, 458–460
- Hirschowitz, B. I. & Sachs, G. Gastroenterology, 1969, 56, 693–702
- Jaup, B. H., Stockbrügger, R. & Dotevall, G. p. 69 in Creutzfeldt, W. & Classen, M. (eds.) Ergebnisse der Gastroenterologie 1977. Verhandlungsband 13, Kurzfassungen
- Kutz, K., Schuler, G., Brenner, U. & Miederer, S. E. Klin. Wschr. 1976, 54, 485–492
- Ludwig, H. Therapiewoche 1977, 27, 1664–1670
- Miglioli, M., Bianchi, G., Blasi, A. & Giorgi-Conciato, M. p. 147 in Proceedings of the VIth World Congress of Gastroenterology, Madrid, 1978
- Monte, P. R.Dal D'Impero, N., Giuliani, N., Sarti, F. & Lepore, A. M. p. 148 in Proceedings of the VIth World Congress of Gastroenterology, Madrid, 1978
- Morelli, A., Narducci, F., Ciccione, R., Pelli, M. A. & Lepore, A. M. Proceedings of the VIth World Congress of Gastroenterology, Madrid, 1978
- Myren, J. & Bergstad, A. Scand. J. Gastroent. 1975, 10, 817–819
- Neeley, W. E. Clin. Chem. 1972, 18, 509–515
- Sternini, C., Tomassetti, P., Vezzadini, P. & Labo, C. p. 145 in Proceedings of the VIth World Congress of Gastroenterology, Madrid, 1978
- Stockbrügger, R., Jaup, B. & Dotevall, G. p. 145 in Proceedings of the VIth World Congress of Gastroenterology, Madrid, 1978
- Stockbrügger, R., Jaup, B. & Dotevall, G. Scand. J. Gastroent. 1979, 14, in press.
- Walan, A. Acta Med. Scand. 1971, 189, Suppl. 516
- Winter, M., Brunner, H. & Grabner, G. Proceedings of the VIth World Congress of Gastroenterology, Madrid, 1978