References
- Azad Khan A K, Pins J, Truelove SC. Lancet 1977; ii: 892–895
- van Hees P AM, Bakker J H, van Tongeren J HM. Gut 1980; 21: 632–635
- Sandberg-Gertzén H, Ryde M., Järnerot G. Scand J Gastroenterol 1983; 18: 107–111
- Willoughby C P, Aronson J K, Agback H, Bodin N O, Truelove SC. Gut 1982; 23: 1081–1087
- Lauritsen K, Hansen J, Ryde M, Rask-Madsen J. Gastroenterology 1984; 86: 1496–1500
- Calder I C, Funder C C, Green C R, Ham K N, Tange JD. Br Med J 1972; 1: 152–154
- Sandberg-Gertzén H, Järnerot G, Kraaz W. Gastroenterology 1986; 90: 1024–1030
- Cutler S J, Ederer F. J Chron Dis 1958; 8: 699–712
- Järnerot G, Rolny P, Sandberg-Gertzén H. Gastroenterology 1985; 89: 1005–1013