- Phytochemistry
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- ELSEVIER
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- National Center for Complementary and Integrative Health
- https://nccih.nih.gov/health/herbsataglance.htm
- MedlinePlus Herbs and Supplements
- National Institutes of Health
- 2014
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- FAOSTAT
- Food and Agriculture Organization of the United Nations
- 02 oct 2014
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- Encyclopedia of Herbal Medicine
- Andrew Chevallier
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