REFERENCES
- Adrian, T. E., Besterman, H. S., Mallinson, C. N., Galarotis, C. & Bloom, S. R. Gut 1978, 19, A446
- Applebaum, I. L. Ann. Intern. Med. 1944, 21, 35
- Blainey, J. D. & Northam, B. E. Clin. Sci. 1967, 32, 377–383
- Borgstrom, A. & Ohlsson, K. Europ. J. Clin. Invest. 1978, 8, 379–382
- Brunschweig, A., Rickett, H. & Bigelow, R. Surg. Gynec. Obstet. 1945, 80, 252
- Elias, E., Redshaw, M. & Wood, T. Lancet 1977, 2, 66–68
- Fredricksson, A. & Jacobson, G. Scand. J. Clin. Lab. Invest. 1974, 33, 313–321
- Fridlander, L., Berk, J. E. & Ueda, M. Clin. Chem. 1972, 18, 1493–1497
- Gowenlock, A. H. Ann. Clin. Biochem. 1977, 14, 61–89
- Harrison, T. R. in Principles of Internal Medicine, 7th ed., 1974
- Hegarty, J. E., O'Donnell, M. D., McGeeney, K. F. & Fitzgerald, O. Gut 1978, 19, 350–354
- Levitt, M. D., Rapoport, M. & Cooperband, S. R. Ann. Intern. Med. 1969, 71, 919–925
- Marcy, S. M. & Kibrick, S. Chapt. 70 in Hoeprich, P. D. (ed.) Infectious Diseases. Harper and Row, New York, 1977
- McGeachin, R. L. & Hargan, L. A. J. Appl. Physiol. 1956, 9, 129–131
- Ramsay, A. M. & Emond, R. T. D. Infectious Diseases. Heinemann, 1967
- Schönebeck, J. & Söderberg, M. Scand. J. Urol. Nephrol. 1971, 5, 257–262
- Skude, G. & Ihse, I. Scand. J. Gastroent. 1977, 12, 53–57
- Warren, W. R. Amer. J. Med. Sci. 1955, 230, 161–168
- Warshaw, A. I. & Fuller, A. F. New Engl. J. Med. 1975, 292, 325–328