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Discovering
and developing safe and effective new medicines is a long, difficult,
and expensive process. The research-based pharmaceutical industry
expects to invest $24 billion in research and development in 1999.
Once a new compound has been identified in the laboratory, it undergoes
the drug development process before it can be marketed for public
use.
The entire drug development process can be summarized in a series
of steps or charts.
 Steps
Charts
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