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&lt;/script&gt;</html><description>Research progress of tetracyclic triterpenoids in neurological diseases Tetracyclic triterpenoids are an important class of secondary metabolites with various biological activities in the plant kingdom, mostly existing in the form of free or glycosides in nature. The nervous system is the dominant regulatory system in the body, and once damaged, it is irreversible. Due to [&hellip;]</description></oembed>
