41.   This study has shown that colonic phenotypic changes are very common in ileal reservoirs when several biopsy specimens are analysed.

42.   Significant but heterogeneous increases werefound in urokinase type plasminogen activator concentrations of biopsy specimens originating from carcinomas of both epithelial cell types.

43.   Normal mucosal biopsy specimens from three different locations of the upper gastrointestinal tract were taken during endoscopy from six dyspeptic patients without demonstrated pathology.

44.   These biopsy specimens were confirmed endoscopically and histologically to have no signs of underlying disease.

45.   The concentrations of urokinase type plasminogen activator in the duodenum resemble the quantities found in normal stomach tissue biopsy specimens.

46.   In one case of benign stricture, the endoscopy biopsy specimen was reported as being suspicious for malignancy.

47.   In the present study, the presence of gap junctions in surface mucous cells in endoscopic biopsy specimens from patients with gastric ulcer was investigated by freeze fracture methods.

48.   Grossly normal appearing gastric biopsy specimens were taken from healthy volunteers.

49.   Intestinal metaplasia was seen in the biopsy specimens from eight patients with gastric ulcer.

50.   There was also no difference in gap junction frequency between biopsy specimens from the ulcer margin and those from grossly normal regions at a distance from the ulcer.