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1 Gericke, N. P., "the in vitro and in vivo activity of (-)-mesembrine, PCT Int. Appl., WO 9746234 CAN 128:80030"
2 "https://en.wikipedia.org/wiki/Sceletium_tortuosum"
3 "http://www.erowid.org/plants/kanna/kanna_law.shtm"
4 Barz, W., "Turnover and Degradation of Secondary (Natural) Products" 7 : 35-, 1981
5 Smith, C., "The effects of Sceletium tortuosum in an in vivo model of psychological stress" 133 : 31-, 2011
6 Smith, M. T., "The distribution of mesembrine alkaloids in selected taxa of the mesembryanthemaceae and their modification in the Sceletium derived 'kougoed'" 36 : 173-, 1998
7 Watt, J. M., "The Medicinal and Poisonous Plants of Southern and Eastern Africa" Livingstone 1962
8 Andrew, B., "Substituted urea-octatydroindols as antagonists of melanin concentrating hormone receptor 1 (MCH1R). WO 2005051381A1"
9 Cashman, J. R., "Stereoselective inhibition of serotonin re-uptake and phosphodiesterase by dual inhibitors as potential agents for depression" 17 : 337-, 2009
10 Gericke, N., "Sceletium-a review update" 119 : 653-, 2008
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18 Gericke, N. P., "Pharmaceutical compositions containing mesembrine and related compounds. US 6288104B1"
19 Gericke, N. P., "Pharmaceutical compositions containing mesembrine and related compounds. US 6288104B1"
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29 Hirabayashi, M., "Clinical application of South African tea on dementia dog" 21 : 109-, 2002
30 Srinivas, P., "Chemotaxonomic studies of mesembrine- type alkaloids in Sceletium plant species" 109 (109): 2013
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32 Fujimaki, K., "Administration of a cAMP phosphodiesterase 4 inhibitor enhances antidepressant-induction of BDNF mRNA in rat hippocampus" 22 : 42-, 2000
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35 Klak, C., "A phylogeny and new classification for Mesembryanthemoideae (Aizoaceae)" 56 : 737-, 2007
36 Pringle, A., "A cognitive neuropsychological model of antidepressant drug action" 35 : 1586-, 2011
37 Waterhouse, G., ""Canna plant" section. Simon van der Stel's Journey to Namaqualand in 1685" 1979