1. Aburjai T, Natsheh FM (2003) Plants used in cosmetics. Phytother Res 17(9):987–1000
2. Agriculture and Agri-Food Canada (2013) Introduction to medicinal plants – Agriculture and Agri-Food Canada (AAFC). Retrieved 6 Oct 2014, from http://www.agr.gc.ca/eng/scienceand-innovation/science-publications-and-resources/resources/canadian-medicinal-crops/introductionto-medicinal-plants/?id¼1300832855227
3. Azimahtol HLP, Soliman W (1998) A gift of biodiversity: an anti cancer compound from traditional herbal plant. In: Nair MNB, Nathan G (eds) Medicinal plants cure for the 21 century. University Putra, Serdang, Malaysia, pp 152–153
4. Bagchi D (ed) (2014) Nutraceutical and functional food regulations in the United States and around the world, 2nd edn. Academic, London/Waltham/San Diego, p 551
5. Bagozzi F (2003) Traditional medicine. What is traditional medicine? WHO Factsheet No 134 http://www.who.int/mediacentre/factsheets/2003/fs134/en/print.html