REFERENCES
- Anthonisen, P. & Riis, P. 1951. A new diagnostic approach to mucosal inflamation in proctocolitis. Lancet ii, 81–82.
- Anthonisen, P. & Riis, P. 1962. The cytology of colonic secretion in proctosigmoidal disease. Acta med. scand. 172, 376–381.
- Binder, V. 1970. The content of eosinophil granulocytes in the colonic mucosa in ulcerative colitis. Scand. J. Gastroent. 5, 707–712.
- Riis, P. & Anthonisen, P. 1958. The differential diagnosis between ulcerative colitis and Crohn's disease of the colon, pp. 912–913 in Gregor, O. & Riedl, O. (eds.) VIIIth International Congress of Gastroenterology, Prague 1968. Schattauer, Stuttgart — New York 1969.
- Riis, P. & Anthonisen, P. 1971. The presence of inflammatory leucocytes in the rectal mucus of patients with regional ileitis. Scand. J. Gastroent. 6, 719–721.
- Wulff, H. R. 1970. Formelle problemer ved diagnostik og sygdomsklassifikation. Bibl. Læger 162, 133–184.