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Physiological development index in each different group.
| Observation | Vehicle (n = 14) | Nicotine (n = 8–17) | Effect |
|---|---|---|---|
| Smell pups (%) | |||
| PND11 | 85% | 18% | |
| PND12 | 100% | 76% | P < 0.001**** |
| PND13 | 100% | 100% | |
| Hearing pups (%) | |||
| PND11 | 64% | 0.0 | |
| PND12 | 86% | 50% | p = 0.002** |
| PND13 | 100% | 75% | |
| PND14 | 100% | 100% | |
| Eye opening pups (%) | |||
| PND11 | 0.0 | 0.0 | |
| PND12 | 21% | 0.0 | |
| PND13 | 100% | 0.0 | P < 0.0001**** |
| PND14 | 100% | 5% | |
| PND15 | 100% | 82% | |
| PND16 | 100% | 100% |
