Journal articles
2012
- . (2012). Some southern African plant species used to treat helminth infections in ethnoveterinary medicine have excellent antifungal activities. Bmc Complementary And Alternative Medicine, 12(1). http://doi.org/10.1186%2F1472-6882-12-213 (Original work published 2012)
- . (2012). South African plants and male reproductive healthcare: Conception and contraception. Journal Of Ethnopharmacology, 143(2). http://doi.org/10.1016/j.jep.2012.06.047 (Original work published 9/2012AD)
- . (2012). Species limits in Vachellia (Acacia) karroo (Mimosoideae: Leguminoseae): Evidence from automated ISSR DNA “fingerprinting”. South African Journal Of Botany, 83. http://doi.org/10.1016/j.sajb.2012.07.014 (Original work published 11/2012AD)
- . (2012). Spontaneous reports of primarily suspected herbal hepatotoxicity by Pelargonium sidoides: Was causality adequately ascertained?. Regulatory Toxicology And Pharmacology, 63(1). http://doi.org/10.1016/j.yrtph.2012.02.009 (Original work published 6/2012AD)
2005
- . (2005). Some thoughts on the future of ethnopharmacology. Journal Of Ethnopharmacology, 100(1-2), 5–14. http://doi.org/10.1016/j.jep.2005.05.027 (Original work published 8/2005AD)
1995
- . (1995). South Africa's Health: Traditional healers in South Africa: a parallel health care system. British Medical Journal, 310(6988), 1182 - 1185. http://doi.org/10.1136/bmj.310.6988.1182 (Original work published 05/1995AD)
2008
- . (2008). South African Helichrysum species: A review of the traditional uses, biological activity and phytochemistry. Journal Of Ethnopharmacology, 119(3), 630 - 652. http://doi.org/10.1016/j.jep.2008.06.011 (Original work published 10/2008AD)
- . (2008). South African herbal teas: Aspalathus linearis, Cyclopia spp. and Athrixia phylicoides—A review. Journal Of Ethnopharmacology, 119(3). http://doi.org/10.1016/j.jep.2008.06.014 (Original work published 10/2008AD)
- . (2008). South African Salvia species: A review of biological activities and phytochemistry. Journal Of Ethnopharmacology, 119(3), 664 - 672. http://doi.org/10.1016/j.jep.2008.06.030 (Original work published 10/2008AD)
- . (2008). South African traditional medicinal plant trade—Challenges in regulating quality, safety and efficacy. Journal Of Ethnopharmacology, 119(3). http://doi.org/10.1016/j.jep.2008.06.019 (Original work published 10/2008AD)
2010
- . (2010). South African Lippia herbal infusions: Total phenolic content, antioxidant and antibacterial activities. South African Journal Of Botany, 76(3). http://doi.org/10.1016/j.sajb.2010.04.010 (Original work published 8/2010AD)
2011
- . (2011). South African plants used in traditional medicine to treat epilepsy have an antagonistic effect on NMDA receptor currents. Journal Of Ethnopharmacology, 137(1), 382 - 388. http://doi.org/10.1016/j.jep.2011.05.038 (Original work published 9/2011AD)
1992
- . (1992). South African traditional herbal medicines used during pregnancy and childbirth. Journal Of Ethnopharmacology, 36(3). http://doi.org/10.1016/0378-8741(92)90043-Q (Original work published 6/1992AD)
2013
- . (2013). Southern African medicinal plants used to treat skin diseases. South African Journal Of Botany, 87. http://doi.org/10.1016/j.sajb.2013.04.002 (Original work published 7/2013AD)
2004
- . (2004). Specific accumulation and revised structures of acridone alkaloid glucosides in the tips of transformed roots of Ruta graveolens. Phytochemistry, 65(8). http://doi.org/10.1016/j.phytochem.2004.03.003 (Original work published 04/2004AD)