REFERENCES
- Annis, D. & Hallenbeck, G. A. Gastroenterology 1951, 17, 560–567
- Creutzfeldt, W. & Schmidt, H. Scand. J. Gastroent. 1970, Suppl. 6, 47
- Dahlqvist, A. Scand. J. Clin. Lab. Invest. 1962, 14, 145–151
- Dreiling, D. A. & Janowitz, H. D. Amer. J. Dig. Dis. (New Ser.) 1960, 5, 639, 654
- Eggstein, M. & Kreutz, F. M. Klin. Wschr. 1955, 33, 879–884
- Howard, J., James, C. L. & Evans, S. S. Surg. Forum 1951, 2, 577–582
- Morrissett, J. & Webster, P. D. Amer. J. Physiol. 1970, 219, 1286–1291
- Myren, J. Scand. J. Gastroent. 1977, 12, 513–517
- Paxton, J. R. & Payne, J. H. Surg. Gynec. Obstet. 1948, 86, 69–75