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  2. Max Witchl, Robert Anton (2003). Plantes thérapeutiques: tradition, pratique officinale, science et thérapeutique (2nd ed.). Tec & doc Éd. médicales internationales. [ISBN:978-2-7430-0631-0 ]
  3. FooDB [Link]
  4. Dr. Duke's Phytochemical and Ethnobotanical Databases [Link]