Journal articles
2007
- . (2007). A potentised leaf extract of Melianthus comosus has higher activity than six commercial products used against plant fungal pathogens. South African Journal Of Botany, 73(2), 286 - 287. http://doi.org/10.1016/j.sajb.2007.02.040 (Original work published 4/2007AD)
1938
- . (1938). A preliminary checklist of Zulu names of plants with short notes. Bantu Studies, 12(1). http://doi.org/10.1080/02561751.1938.9676078 (Original work published 01/1938AD)
2015
- . (2015). A protective mechanism of licorice (Glycyrrhiza uralensis): Isoliquiritigenin stimulates detoxification system via Nrf2 activation. Journal Of Ethnopharmacology, 162. http://doi.org/10.1016/j.jep.2014.12.043 (Original work published 03/2015AD)
2008
- . (2008). A rapid method for chemical fingerprint analysis of Hoodia species, related genera, and dietary supplements using UPLC–UV–MS. Journal Of Pharmaceutical And Biomedical Analysis, 48(3), 722 - 731. http://doi.org/10.1016/j.jpba.2008.07.005 (Original work published 11/2008AD)
- . (2008). A review of Khoi-San and Cape Dutch medical ethnobotany. Journal Of Ethnopharmacology, 119(3). http://doi.org/10.1016/j.jep.2008.07.021 (Original work published 10/2008AD)
- . (2008). A review of the taxonomy, ethnobotany, chemistry and pharmacology of Sutherlandia frutescens (Fabaceae). Journal Of Ethnopharmacology, 119(3). http://doi.org/10.1016/j.jep.2008.08.003 (Original work published 10/2008AD)
- . (2008). A revision of Lobostemon Lehm., and a discussion of the Species Problem. Journal Of The Linnean Society Of London, Botany, 49(330). http://doi.org/10.1111/j.1095-8339.1934.tb00394.x (Original work published 01/1934AD)
2010
- . (2010). A rapid spectroscopic method for quantification of P57 in Hoodia gordonii raw material. Food Chemistry, 120(3), 940 - 944. http://doi.org/10.1016/j.foodchem.2009.11.017 (Original work published 6/2010AD)
- . (2010). A review of the antibacterial activity of Hypericum perforatum L. Journal Of Ethnopharmacology, 131(3). http://doi.org/10.1016/j.jep.2010.07.034 (Original work published 10/2010AD)
2003
- . (2003). A review of clinical and experimental observations about antidepressant actions and side effects produced by Hypericum perforatum extracts. Phytomedicine, 10(8). http://doi.org/10.1078/0944-7113-00340 (Original work published 1/2003AD)
1989
- . (1989). A review of natural products and plants as potential antidiabetic drugs. Journal Of Ethnopharmacology, 27(3). http://doi.org/10.1016/0378-8741(89)90001-9 (Original work published 12/1989AD)
2006
- . (2006). A review of the bioactivity of south African herbal teas: rooibos (Aspalathus linearis) and honeybush (Cyclopia intermedia). Phytotherapy Research, 21(1), 1 - 16. http://doi.org/10.1002/ptr.1992 (Original work published 01/2007AD)
2013
- . (2013). A review of the medicinal potentials of plants of the genus Vernonia (Asteraceae). Journal Of Ethnopharmacology, 146(3). http://doi.org/10.1016/j.jep.2013.01.040 (Original work published 4/2013AD)
- . (2013). A review on the pharmacological and toxicological aspects of Datura stramonium L. Journal Of Integrative Medicine, 11(2). http://doi.org/10.3736/jintegrmed2013016 (Original work published 03/2013AD)
2012
- . (2012). A review on cassane and norcassane diterpenes and their pharmacological studies. Fitoterapia, 83(2). http://doi.org/10.1016/j.fitote.2011.12.007 (Original work published 3/2012AD)


