Selection, preparation, and pharmacological evaluation of plant material
by Elizabeth M. Williamson, David T. Okpako, Fred J. Evans · 1996

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Materia medica, VegetableMethodologyPharmacognosyResearchVegetable Materia medicaBotany & plant sciencesPharmacologyScience/MathematicsGeneralSciencePharmacyMedical / Pharmacology