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PCNA-labeling index of colonic mucosa of rats treated with DMH, supplemented with vanadium (V) 0.5-ppm ad libitium in drinking water (means ± SD)
| Group | No of rats | ACF (Numbers of ACF or crypts) |
| A Normal control | 10 | - |
| B DMH control | 10 | 35 ± 5 (10) |
| C DMH + V | 10 | 23.6 ± 2a (10) |
| D V Control | 10 | - |
P < 0.005 vs Group B by Student’s t-test.
