Synergy research is a new approach to phytomedicinal research. Three events have promoted this development:
1) The demand of the European drug law that the registration of drug preparations must include an assessment that each component of a herbal drug combination contributes to its overall pharmacological effect and therapeutic efficacy;
2) The availability of new high-tech analytical and molecular-biological methods and
3) A conspicuous change of paradigm in conventional medicine from a monodrug concept of treating diseases to a more multidrug therapy.
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