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November 1986 - Volume 29 - Issue 11
pp: 689-787

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Changing patterns of diagnosis and etiology: PDF Only



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Results of a controlled clinical trial: PDF Only



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A double-blind clinical controlled trial: PDF Only




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A cause of intestinal obstruction: PDF Only



A rare lesion of the rectum and anus: PDF Only



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Answers, critiques, and references: PDF Only



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