intestinal tract
The Fiber Hypothesis which had its origins in the work of Burkitt and others in       the early 1970's, focussed largely on fiber's beneficial effects on colon cancer        and disorders of the gastric intestinal tract.
The Fiber Hypothesis which had its origins in the work of Burkitt and others in       the early 1970's, focussed largely on fiber's beneficial effects on colon cancer        and  @OBJECT$   @PREDICAT$  the gastric  @SUBJECT$ .