21.   Do non-Disabled people have a role in supporting and promoting Disability arts?

22.   This study lends further support to the theory that these compounds may have some role in the pathogenesis of polyps and colorectal cancer.

23.   If this hypothesis was correct, drugs that modulate upper gastrointestinal motility may have a role in the treatment of DU patients.

24.   Thus the rotary lithotrite could have a role in the management of gall stones if the problems encountered can be overcome.

25.   The fact that pentagastrin increased platelet activating factor precursors would suggest that platelet activating factor may have a role in the gastric functions, in particular gastric acid secretion.

26.   Reactive oxygen species have a role in ischaemia-reperfusion injury of the intestine, and may also participate in the pathogenesis of several kinds of gastric lesions.

27.   It may also have a role in evaluation and surveillance of patients with inoperable carcinomas.

28.   All these breakdowns of data are often presented and have a role to play in the analysis of certain questions.

29.   Nutritional improvement itself does not seem to have had a role in the effect of PEN in our study.

30.   This case supports the theory that functional disturbances of the thymus may have a role in the pathogenesis of inflammatory bowel disease.