There is much work to be done on the product submission process including review
of the physiological properties,
potency and purity
of substances, as well as in monograph development, standards
of evidence, chemistry and manufacturing, and clinical trial development.»
The fact that the ability
of neuroleptic drugs to antagonize the effects
of amphetamine in man and stereotyped behavior in laboratory animals correlates with clinical
potency is further
evidence that these effects
of amphetamine are due to increased DA.