| Participants have tried a wide range of other drugs including cocaine, amphetamines, ecstasy, inhalants and hallucinogenic plants. |
| He studied the tissue distribution and metabolism of caffeine, amphetamines, ephedrine, and narcotic drugs. |
| Marijuana, amphetamines, and hallucinogens were the most frequently used illicit drugs among these street youths. |
| While that may include the almost stereotypical use of cocaine, it also extends to amphetamines and ecstasy use. |
| Barbiturates, like benzodiazepines and amphetamines, are a large class of drugs. |
| Last year he was in court again on charges of conspiring to supply ecstasy and amphetamines. |
