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- 2017
Pharmacognostical and Phytochemical Studies of Helleborus niger L RootKeywords: Helleborus niger, macroscopy, microscopy, physicochemical, phytochemical, ultra-violet analysis Abstract: Helleborus niger L (Ranunculaceae) is used Ayurvedic and Unani systems and other herbal medicine systems. The roots of H. niger have a good medicinal value
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