REFERENCES
- Clark CG. Compr Ther 1981, 7, 26–32
- Tovey FI, Clark CG. Lancet 1980, 1, 965–968
- Deller DJ, Witts LJ. Q J Med 1962, 31, 71–88
- Amdrup E, Jensen H-E. Gastroenterology 1970, 59, 522–527
- Johnston D, Wilkinson AR. Br J Surg 1970, 57, 289–296
- Schofield PF, Watson-Williams EJ, Sorrell VF. Arch Surg 1967, 95, 615–624
- Wastell C. Ann R Coll Surg Engl 1969, 45, 193–211
- Baron JH. Clin Gastroenterol 1973, 2, 293–314
- Hollander F. Gastroenterology 1948, 11, 419–425 10. Ross B, Kay AW. Gastroenterologv 1964, 46, 379–386
- Stenman U-H, Puutula L. Methods Enzymol 1980, 67, 24–30
- International Committee for Standardisation in Haematology. J Clin Pathol 1978, 31, 139–143
- Hoedemaeker PJ. Doctoral dissertation. Groningen. The Netherlands, University of Groningen, 1965
- Helander HF. Gastroenterology 1976, 71, 1010–1018
- Saukkonen M, Sipponen P, Varis K, Siurala M. Acta Hepatogastroenterol 1980, 27, 48–56
- Sipponen P, Hakkiluoto A, Kalima TV, Siurala M. Scand J Gastroenterol 1976, 11, 813–816
- Aase S, Roland M, Olsen BR. Scand J Gastroenterol 1976, 11, 55–64
- Roland M, Berstad A, Liavåg I. Scand J Gastroenterol 1975, 10, 181–186
- Paimela H, Ahonen J, Höckerstedt K, v. Knorring J, Lalla M, Scheinin TM. Ann Chir Gynaecol 1983, 72, 3–8
- Hopfner-Hallikainen D. Doctoral dissertation. Helsinki, Finland, University of Helsinki, 1981