REFERENCES
- Condon, J. R., Knight, M. J. & Day, J. L. Brit. J. Surg. 1973, 60, 509–511
- Dotevall, G. & Kock, N. G. Gastroenterology 1963, 45, 364–367.
- Dotevall, G., Kock, N. G. & Walan, A. Scand. J. Gastroent. 1969, 4, 713–716.
- Dyck, W. P., Texter, E. C., Lasater, J. M. & Hightower, N. C. Gastroenterology 1970, 58, 532–539.
- Jarett, L. & Lacy, P. E. Endocrinology 1962. 70, 867–873.
- Kasper, H. & Fleischer, K. Dtsch. med. Wschr. 1972, 97, 1124–1126.
- Knight, M. J., Condon, J. R. & Smith, R. Brit, med. J. 1971, 2, 440–442.
- Rick, W. Z. klin. Chem. 1969, 7, 530–539.
- Stunkard, A. J., van Itallie, Th. B. & Reis, B. B. Proc. Soc. exp. Biol. (N.Y.) 1955, 89, 258–261.