REFERENCES
- Brooks, FP, Powell, KG, Cerdan, JJ. Arch Intern Med 1966, 117, 789–794
- Buchan, DJ, Gerrard, JW. Ann Intern Med 1962, 57, 85–95
- Stewart, JS, Pollock, DJ, Hoffbrand, AV, Mollin, DL, Booth, CC. Q J Med 1967, 36, 425–444
- Andersen, K-J, Schjønsby, H, Skagen, DW. Scand J Gastroenterol 1983, 18, in press
- Andersen, K-J, Schjønsby, H, Skagen, DW. Scand J Gastroenterol 1983, 18, in press
- Crosby, WH, Kugler, HW. Am J Dig Dis 1957, 2, 236–241
- Shiner, M, Doniach, I. Gastroenterology 1960, 38, 419–440
- Closs, A, Pihl, A. Klin Wochenschr 1941, 20, 224–225
- Fordtran, JS, Soergel, KH, Ingelfinger, FJ. N Engl J Med 1967, 267, 274–479