Riddell, R. H., & Morson, B. C. (1979). Value of sigmoidoscopy and biopsy in detection of carcinoma and premalignant change in ulcerative colitis.
Chicago Stili AlıntıRiddell, R. H., ve B. C. Morson. Value of Sigmoidoscopy and Biopsy in Detection of Carcinoma and Premalignant Change in Ulcerative Colitis. 1979.
MLA AlıntıRiddell, R. H., ve B. C. Morson. Value of Sigmoidoscopy and Biopsy in Detection of Carcinoma and Premalignant Change in Ulcerative Colitis. 1979.
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