References
- Fordtran J S. Gastrointestinal disease, MH Sleisinger, JS Fordtran. W. B. Saunders, Philadelphia 1973; 163–173
- Weimer H. Psychobiology and human disease. Elsevier North-Holland, New York 1977; 33–101
- Øktedalen O, Opstad P K, Schaffalitzky de Muckadell O B, Fausa O, Flaten O. Regul Peptides 1983; 5: 235–244
- Øktedalen O, Guldvog I, Opstad P K, Berstad A, Gedde-Dahl D, Jorde R. Scand J Gastroenterol 1984; 19: 770–778
- Aa Nesland, Øktedalen O, Opstad P K, Berstad A. Scand J Gastroenterol 1986; 21: 17, (suppl 120)
- Waldum H L, Huser P O. Sanitetsnytt 1974; 1: 39–56
- Fausa O, Skålhegg BA. Scand J Gastroenterol 1974; 9: 249–254
- Berstad A. Scand J Gastroenterol 1970; 5: 343–348
- Stern A I, Hogan D L, Isenberg J I. Gastroenterology 1984; 87: 1272–1276
- Ritchie W P. Am Surg 1980; 192: 288–298
- Schudamore H H, Ecksstam E E, Furcil W J. Am J Gastroenterol 1973; 60: 9–22
- Johnson A G, Eyre-Brook J A. Scand J Gastroenterol 1984; 19: 27–36, (suppl 96)
- Gotthard R, Bodemar G, Tjædermo M, Tobiasson P, Walan A. Scand J Gastroenterol 1985; 20: 439–446
- Ritchie W P. Gastroenterology 1975; 68: 699–707
- Hamza R B, Hole D, Rhodes J. Surgery 1972; 71: 161–167
- Black R B, Hole D, Rhodes J. Gastroenterology 1971; 61: 178–184
- Eastwood G L. Gastroenterology 1975; 68: 1456–1465
- Black R B, Roberts G, Rhodes J. Gut 1971; 12: 552–558
- Opstad P K. Biologiske rytmer og arbeidstider. FFI-raport. Norwegian Defence Research Establishment, Kjeller, Norway 1986
- Kivilaakso E, Fromm D, Silen W. Surgery 1978; 84: 70–78