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Behavioral sensitization protocol.
| DAY | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 19 |
| Drug-exposed group | SAL | SAL | COC | No testing | COC | No testing | COC | No testing | COC | No testing | COC | SAL | COC |
| Saline-exposed group | SAL | SAL | SAL | SAL | SAL | SAL | SAL | SAL | SAL |
SAL, Saline; COC, Cocaine.
