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Home › Huperzia serrata (Thunb.) Trev. composition comprising compounded Huperzine A and Huperzine B and methods for preparing it

Huperzia serrata (Thunb.) Trev. composition comprising compounded Huperzine A and Huperzine B and methods for preparing it

US Patent 8574633 · Granted Nov 5, 2013

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