REFERENCES
- Aukee, S. & Krohn, K. Scand. J. Gaslroenl. 1972, 7, 541–546.
- Aune, S. Scand. J. Gaslroenl. 1969, 4, 447–452.
- Brömster, D. Scand. J. Gaslroenl. 1969, 4, 193–201.
- Buckler, K. G. Gui 1967, 8, 137–147.
- Bürge, H. & Frohn, M. J. N. Bril. J. Surg. 1969, 56, 452–460.
- Christoffersson, E., Kewenter, J. & Kock, N. G. Ada chir. scand. 1962, 123, 405–414.
- Cowley, D. J., Vernon, P., Jones, T., Glass, H. I. & Cox, A. G. Gut 1972, 13, 176–181.
- Cramer, G. & Isaksson, B. Scand. J. clin. Lab. Invest. 1963, 15, 553–556.
- Dudley, H. A. F. & Gillanders, L. A. Bril. J. Surg. 1966, 53, 403–407.
- Fröseth, B. Scand. J. Resp. Dis. 1969, 50, Suppl. 69. 81.
- Howard, F. A. & Sharp, D. S. Brit. med. J. 1973, 1, 446–448.
- Hurwitz, A. J. Pharmacol, exp. Ther. 1971. 179, 485–489.
- Lagerlöf, H. O., Rudewald, M.-B. & Perman, G. Acta med. scand. 1960, 168, 269–284.
- Levine, R. R. Amer. J. dig. Dis. 1970, 15, 171–188.
- McKelvey, S. T. D. Bril. J. Surg. 1970, 57, 741–747.
- Peets, E. A., Sweeney, W. M., Place, V. A. & Buyske, D. A. Amer. Rev. resp. Dis. 1965. 91, 51–58.
- Schanker, L. S., Shore, P. A., Brodie, B. B. & Hogben, C. A. M. J. Pharmacol, exp. Ther. 1957. 120, 528–539.
- Varley, H. Practical Clinical Biochemistry. Ed. W. Heineman Ltd., London, 1954.