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Gastric carcinogenesis in Helicobacter pylori-infected Mongolian gerbils
| Histropathological findings | Mo | |||
| 6 | 12 | 18 | 24 | |
| Gastritis | 5/5 | 4/4 | 5/5 | 10/10 |
| Gastric ulcer | 4/5 | 3/4 | 5/5 | 5/10 |
| Atrophy | 4/5 | 4/4 | 5/5 | 10/10 |
| Intestinal metaplasia | 2/5 | 3/4 | 5/5 | 10/10 |
| Dysplasia | 0/5 | 2/4 | 4/5 | 10/10 |
| Gastric cancer | 0/5 | 0/4 | 2/5 | 5/10 |
| Gastric carcinoid | 0/5 | 0/4 | 0/5 | 5/10 |
Data represent positive case/control Uninfected control. animals (n = 5 each) showed no abnormal findings.
