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Roy Upton

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Books

Roy Upton, Pavel Axentiev, Teresa Soria, American Herbal Pharmacopoeia
Stinging Nettle Root
Urtica Dioica L. ; Standards of Analysis, Quality Control, and Therapeutics
Stinging Nettle Root
Roy Upton, Pavel Axentiev, Teresa Soria, American Herbal Pharmacopoeia
American Herbal Pharmacopoeia
American Herbal Pharmacopoeia
Roy Upton, Alison Graff, Georgina Jolliffe, Reinhard Länger, Elizabeth Williamson

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