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Published Online:https://doi.org/10.1176/ajp.120.6.590

1. A multi-disciplinary program was developed for clinical study of psychoactive drugs with children.

2. D-amphetamine tended to be more effective than chlordiazepoxide in the reduction of the manifestations of the hyperkinetic syndrome.

3. Both chlordiazepoxide and d-amphetamine tended to be more effective than the placebo.

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