| Keyword Brief | Keyword Text | View |
|---|---|---|
| None | Behavior Therapy | View |
| None | Cocaine | View |
| None | Cocaine (IV) | View |
| None | Cocaine Abuse | View |
| None | Cocaine Dependence | View |
| None | Contingency management | View |
| None | HIV risk behaviors | View |
| None | Heroin | View |
| None | Naltrexone | View |
| None | Opioid Dependence | View |
| None | sexual risk behaviors | View |