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Canadian Journal of Gastroenterology
Volume 8 (1994), Issue 5, Pages 294-294

Stephen M Collins

Alan BR Thomson

Copyright © 1994 Canadian Association of Gastroenterology. This open-access article is distributed under the terms of the Creative Commons Attribution Non-Commercial License (CC BY-NC) (, which permits reuse, distribution, and reproduction of the article, provided that the original work is properly cited and the reuse is restricted to noncommercial purposes.


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