References
- Fausa O, Gjone E. Scand J Gastroenterol 1976; 11: 537–543
- Tobiasson P, Borryd B. Scand J Gastroenterol 1980; 15: 657–663
- Linnet K, Kelbaek H, Frandsen P. Scand J Gastroenterol 1982; 17: 263–268
- Kaplowitz N, Kok E, Javitt NB. JAMA 1973; 225: 292–293
- Fausa O. Scand J Gastroenterol 1976; 11: 229–232
- Angelico M, Attili AF, Capocaccia L. Dig Dis 1977; 22: 941–946
- Tobiasson P, Frydén A, Tagesson C. Scand J Gastroenterol 1981; 16: 763–767
- Tanghöj H, Foberg U, Fryden A, Kågedal B, Pettersson L, Tobiasson P. Scand J Gastroherol 1985; 20: 1221–1226
- Simko V, Michael S. Arch Int Med 1986; 146: 695–97
- Ponz de Leon M, Murphy GM, Dowling RH. Gut 1978; 19: 32–39
- Kelbæk H, Linnet K, Stimpel H., Glenthøj J, Thomsen HF, Bahnsen M. Scand J Gastroenterol 1984; 19: 655–660
- De Barros SG, Balistreri WF, Soloway RD, Weiss SG, Miller PC, Soper K. Gastroenterology 1982; 82: 647–652
- Festi D, Maria M, Labate M, Roda E. Hepatology 1983; 3: 707–713
- Engelking LR, Dasher CA, Hirschowitz BI. Am J Clin Pathol 1980; 73: 196–201