| Medicinal Plants of South Africa. BE Van Wyk, B Oudtshoorn, N Gericke Medicinal plants of South Africa., 1997 | 1646 | 1997 |
| People's plants: a guide to useful plants of Southern Africa. BE Van Wyk, N Gericke People's plants: a guide to useful plants of Southern Africa., 2000 | 1139 | 2000 |
| Psychoactive constituents of the genus Sceletium NE Br. and other Mesembryanthemaceae: a review MT Smith, NR Crouch, N Gericke, M Hirst Journal of ethnopharmacology 50 (3), 119-130, 1996 | 115 | 1996 |
| Devil's Claw—A review of the ethnobotany, phytochemistry and biological activity of Harpagophytum procumbens N Mncwangi, W Chen, I Vermaak, AM Viljoen, N Gericke Journal of ethnopharmacology 143 (3), 755-771, 2012 | 90 | 2012 |
| Sceletium—a review update N Gericke, AM Viljoen Journal of Ethnopharmacology 119 (3), 653-663, 2008 | 82 | 2008 |
| Pharmacological actions of the South African medicinal and functional food plant Sceletium tortuosum and its principal alkaloids AL Harvey, LC Young, AM Viljoen, NP Gericke Journal of ethnopharmacology 137 (3), 1124-1129, 2011 | 71 | 2011 |
| Acute Effects of Sceletium tortuosum (Zembrin), a Dual 5-HT Reuptake and PDE4 Inhibitor, in the Human Amygdala and its Connection to the Hypothalamus D Terburg, S Syal, LA Rosenberger, S Heany, N Phillips, N Gericke, ... Neuropsychopharmacology 38 (13), 2708, 2013 | 44 | 2013 |
| Pharmaceutical compositions containing mesembrine and related compounds NP Gericke, BE Van Wyk US Patent 6,288,104, 2001 | 43 | 2001 |
| A randomized, double-blind, parallel-group, placebo-controlled trial of extract Sceletium tortuosum (Zembrin) in healthy adults H Nell, M Siebert, P Chellan, N Gericke The Journal of Alternative and Complementary Medicine 19 (11), 898-904, 2013 | 30 | 2013 |
| Sutherlandia frutescens N Gericke, CF Albrecht, B Van Wyk, B Mayeng, C Mutwa, A Hutchings Australian Journal of Medical Herbalism 13 (1), 9-15, 2001 | 28 | 2001 |
| Plants, products and people: Southern African perspectives N Gericke Advances in Phytomedicine 1, 155-162, 2002 | 24 | 2002 |
| Use of pharmaceutical compositions containing mesembrenone A Harvey, N Gericke, A Viljoen US Patent 8,552,051, 2013 | 22 | 2013 |
| Bioprospecting: creating a value for biodiversity AL Harvey, N Gericke Research in biodiversity–Models and applications, 323-338, 2011 | 20 | 2011 |
| The chemotypic variation of Sceletium tortuosum alkaloids and commercial product formulations EA Shikanga, AM Viljoen, S Combrinck, A Marston, N Gericke Biochemical systematics and ecology 44, 364-373, 2012 | 19 | 2012 |
| Clinical application of selected South African plants. N Gericke Australian Journal of Medical Herbalism 13 (1), 3-15, 2001 | 19 | 2001 |
| Clinical application of selected South African medicinal plants N Gericke Australian Journal of Medical Herbalism 13 (1), 3, 2001 | 19 | 2001 |
| Proof-of-concept randomized controlled study of cognition effects of the proprietary extract Sceletium tortuosum (Zembrin) targeting phosphodiesterase-4 in cognitively healthy … S Chiu, N Gericke, M Farina-Woodbury, V Badmaev, H Raheb, K Terpstra, ... Evidence-Based Complementary and Alternative Medicine 2014, 2014 | 17 | 2014 |
| A toxicological safety assessment of a standardized extract of Sceletium tortuosum (Zembrin®) in rats TS Murbach, G Hirka, IP Szakonyiné, N Gericke, JR Endres Food and chemical toxicology 74, 190-199, 2014 | 16 | 2014 |
| Muthi to medicine N Gericke South African journal of botany 77 (4), 850-856, 2011 | 16 | 2011 |
| In vitro permeation of mesembrine alkaloids from Sceletium tortuosum across porcine buccal, sublingual, and intestinal mucosa EA Shikanga, JH Hamman, W Chen, S Combrinck, N Gericke, AM Viljoen Planta medica 78 (03), 260-268, 2012 | 14 | 2012 |
