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Atypical liver foci in treated mice.
| Control | Low dose | Mid dose | High dose | |
|---|---|---|---|---|
| One-yr study | ||||
| Males | 0/7a | 2/8 | 4/8 | 6/7 |
| Females | 0/8 | 1/8 | 1/8 | 3/8 |
| Two-yr study | ||||
| Males | 0/50 | 19/50 | 42/49 | 43/51 |
| Females | 0/50 | 2/50 | 6/50 | 16/50 |
Numbers denote incidence/number of animals examined.
