REFERENCES
- Ament, M. E., Shimoda, S. S., Saunders, D. R. & Rubin, C. E. Gastroenterology 1972. 63, 728–747.
- Binder, H. J., Solitäre, G. B. & Spiro, H. M. Gut 1967. 8, 605–611.
- Broido, P. W., Gorbach, S. L. & Nyhus, L. M. Surg. Gynec. Obstet. 1972, 135, 449–460.
- Bülow, P. Ugeskr. Lceg. 1973, 135, 133–135.
- Bulestone, R., MacMahon, M. & Dawson, J. M. Gut 1969, 10, 185–193.
- Bunch, W. & Delaney, J. Surgery 1970, 67, 901–906.
- Ciongoli, A. K. & Poser, C. M. Arch. Neurol. Clin. 1972, 26, 403–408.
- Dyer, N. H., Dawson, A. M., Smith, B. F. & Todd, I. P. Brit. med. J. 1969, 1, 686–689.
- Eisborg, L. Ugeskr. Lceg. 1973, 135, 1179–1182.
- French, W. E. Amer. J. Surg. 1970, 120, 23–26.
- Goldstein, F. New Engl. J. Med. 1972, 286, 435.
- Gorbach, S. L., Plaut, A. G., Nahas, L. & Weinstein, L. Gastroenterology 1967, 53, 856–867.
- Gorbach, S. L. & Tabaqchali, S. Gut 1969, 10, 963–972.
- Grant, H. C., Hoffbrand, A. V. & Wells, D. G. Lancet 1965, 11, 763–767.
- Haubrich, W. S. In Bockus, H. L. (ed.) Gastroenterology, vol. II, 2 ed. Saunders, Philadelphia & London. 1964.
- Karlser, M. H., Cohen, R., Artega, I., Yawn, E., Mayoral, L., Hoffert, W. R. & Frazier, D. New Engl. J. Med. 1966, 274, 500–505 & 558–563.
- Mansberger, A. R., Hearn, J. B., Byers, R. M., Fleissig, N. & Buxton, W. Amer. J. Surg. 1968, 115, 85–89.
- Pallette, E. M., Harrington, R. W. & Pallette, E. C. Amer. Surg. 1968, 34, 145–150.
- Pedersen, L., Arnfred, T. & Thaysen, E. G. Scand. J. Gastroent. 1973, 8, 665–672.
- Schjönsby, H. Scand. J. Gastroent. 1973, 8, 97–99.
- Shimada, K., Bricknell, K. S. & Finegold, S. M. J. infect. Dis. 1969, 119, 273–281.
- Solling, H., Ellegaard, J. & Esmann, V. Scand. J. clin. Lab. Invest. 1973, 31, 453–457.
- Sörensen, Bente Margrethe. Acta chir. scand. 1965, 130, 132–142.
- Tabaqchali, S. Scand. J. Gastroent. 1970, 5, Suppl. 6, 139–163.
- Wayne, E., Miller, R. E. & Eisemann, B. Ann. Surg. 1971, 174, 339–344.