1. Colonoscopy in ulcerative colitis;Shearman;Scand J Gastroenterol,1973
2. Diagnosis of inflammatory diseases of the colon by colonoscopy;Frühmorgen;Acta Gastroenterol Belg,1974
3. Differential diagnosis in ulcerative colitis and granulomatous colitis by sigmoidoscopy, rectal biopsy and cell counts of the rectal mucosa;Korelitz;Am J Gastroenterol,1974
4. Value of colonoscopy in the investigation of inflammatory bowel disease;Das;Gastroenterology,1974
5. Fibercolonoscopy for the diagnosis of granulomatous colitis;Watanabe;Tohoku J Exp Med,1975