References
- Siurala M, Salmi H. Scand J Gastroenterol 1971; 6: 459–463
- Siurala M, Seppälä K. Acta Med Scand 1960; 173: 455–474
- Siurala M, Varis K, Wiljasalo M. Scand J Gastroenterol 1966; 1: 40–48
- Siurala M, Vuorinen Y. Acta Med Scand 1963; 45: 173
- Ihamäki T, Saukkonen M, Siurala M. Scand J Gastroenterol 1978; 13: 771–775
- Siurala M, Lehtola J, Ihamaki T. Scand J Gastroenterol 1974; 9: 441–446
- Kimura K. Gastroenterology 1972; 63: 584–592
- Kimura K, Takemoto T. Endoscopy 1969; 1: 87–97
- Stadelmann O, Elster K, Stolte M, Miederer S E, Deyhle P, Demling L. Scand J Gastroenterol 1971; 4: 613
- Takeuchi K, Sakaki N, Amano H, Kawahara K, Okazaki Y, Takemoto T. Abstracts of the IV European Congress of Gastrointestinal Endoscopy, M Classen. Georg Thieme Verlag, Stuttgart 1980; 114
- Stemmermann G N, Hayashi T. J Natl Cancer Inst 1968; 41: 627–634
- Glass G BJ, Pitchumoni C S. Hum Pathol 1975; 6: 219–250
- Strickland R G, McKay I R. Am J Dig Dis 1973; 18: 426–440
- Rösch W. Scand J Gastroenterol 1982; 79: 52–65
- Rösch W, Demling L, Elster K. Acta Hepa-togastroenterol 1975; 22: 252
- Kekki M, Varis K, Pohjanpalo H, Isokoski M, Ihamäki T, Siurala M. Dig Dis Sci 1983; 28: 698–704
- Kekki M, Ihamaki T. Hepatogastroenterol 1984; 31: 76–79
- Villako K, Kekki M, Tamm A, Tammur R, Savisaar E, Viirsalu V, Sipponen P. Scand J Gastroenterol 1982; 17: 601–607
- Kekki M, Saukkonen M, Sipponen P, Varis K, Siurala M. Scand J Gastroenterol 1980; 15: 509–512
- Kekki M, Sipponen P, Siurala M. Scand J Gastroenterol 1984; 19: 382–388
- Tarpila S, Kekki M, Samloff I M, Sipponen P, Siurala M. Acta Hepatogastroenterol 1983; 5: 198–201
- Deutsch E, Christian H J, Fabregas R. Am J Gastroenterol 1962; 37: 168–173
- McKay I R, Hislop I G. Gut 1966; 7: 228–233
- Salupere V. Scand J Gastroenterol 1969; 6: 537–543
- Gear M WL, Truelove S C, Whitehead R. Gut 1971; 12: 639–645
- Tatsuta M, Okuda S. Gastroenterology 1975; 69: 897–902
- Correa P. Front Gastrointest Res 1980; 6: 98–108
- Laxen F. Scand J Gastroenterol 1984; 19: 535–540