Publisher
Springer Science and Business Media LLC
Reference14 articles.
1. Ball, P. A. J. (1961).Lancet, 1, 1363.
2. Berk, J. E., Behfuss, M. E. and Thomas, J. E. (1942).Amer. J. Dig. Dis., 9, 106.
3. Card, W. I. and Sircus, W. (1958). InModem Trends in Gastroenterology (Second Series), ed. F. Avery Jones.
4. Chandler, G. N. (1964). Personal communication.
5. Chandler, G. N., Cameron, A. D., Nunn, A. H., and Street, D. F. (1960).Gut, 1, 6.