Journal articles
2014
- . (2014). The genus Warburgia: A review of its traditional uses and pharmacology. Pharmaceutical Biology, 52(3). http://doi.org/10.3109/13880209.2013.837935 (Original work published 03/2014AD)
1988
- . (1988). The geography of chronic digestive disease in southern Africa. South African Medical Journal, 73(June), 652-658. Retrieved from http://archive.samj.org.za/1988%20VOL%20LXXIII%20Jan-Jun/Articles/06%20June/1.7%20THE%20GEOGRAPHY%20OF%20CHRONIC%20DIGESTIVE%20DISEASE%20IN%20SOUTHERN%20AFRICA,%20I.Segal.pdf (Original work published 1988)
2008
- . (2008). The in vitro and ex vivo antioxidant properties, hypolipidaemic and antiatherosclerotic activities of water extract of Moringa oleifera Lam. leaves. Journal Of Ethnopharmacology, 116(3). http://doi.org/10.1016/j.jep.2007.12.010 (Original work published 3/2008AD)
- . (2008). The in vitro biological activity of selected South African Commiphora species. Journal Of Ethnopharmacology, 119(3). (Original work published 10/2008AD)
- . (2008). The in vitro Pharmacological Activities of 12 South African Hermannia Species. Journal Of Ethnopharmacology, 119(3). http://doi.org/http://dx.doi.org/10.1016/j.jep.2008.06.026 (Original work published 10/2008AD)
- . (2008). The in vivo effects of Tulbhagia violacea on blood pressure in a salt-sensitive rat model. Journal Of Ethnopharmacology, 117(2). http://doi.org/10.1016/j.jep.2008.01.040 (Original work published 5/2008AD)
- . (2008). The influence of Sutherlandia frutescens on adrenal steroidogenic cytochrome P450 enzymes. Journal Of Ethnopharmacology, 118(1). (Original work published 6/2008AD)
2004
- . (2004). The in vitro antibacterial/synergistic activities of Withania somnifera extracts. Fitoterapia, 75(3-4). http://doi.org/10.1016/j.fitote.2004.01.002 (Original work published 6/2004AD)
2002
- . (2002). The in vitro antioxidative activity of some traditional Zulu medicinal plants. Phytotherapy Research, 16(S1), 51 - 56. http://doi.org/10.1002/ptr.804 (Original work published 03/2002AD)
- . (2002). The isolation of the Amaryllidaceae alkaloid crinamine from Dioscorea dregeana (Dioscoreaceae). Biochemical Systematics And Ecology, 30(2). http://doi.org/10.1016/S0305-1978(01)00072-2 (Original work published 2/2002AD)
2005
- . (2005). The in vitro pharmacological activities and a chemical investigation of three South African Salvia species. Journal Of Ethnopharmacology, 102(3), 382 - 390. http://doi.org/10.1016/j.jep.2005.06.034 (Original work published 12/2005AD)
1991
- . (1991). The inappropriate use of traditional medicines in South Africa. Journal Of Ethnopharmacology, 34(2-3), 253 - 259. http://doi.org/10.1016/0378-8741(91)90044-E (Original work published 9/1991AD)
- . (1991). The isolation of a storage organelle of atractyloside in Callilepis laureola. Journal Of Ethnopharmacology, 34(2-3), 247 - 251. http://doi.org/10.1016/0378-8741(91)90043-D (Original work published 9/1991AD)
2009
- . (2009). The inheritance of volatile phenylpropenes in bitter fennel (Foeniculum vulgare Mill. var. vulgare, Apiaceae) chemotypes and their distribution within the plant. Biochemical Systematics And Ecology, 37(4). http://doi.org/10.1016/j.bse.2009.05.007 (Original work published 10/2009AD)
2012
- . (2012). The inhibition of lipopolysaccharide-induced macrophage inflammation by 4 compounds in Hypericum perforatum extract is partially dependent on the activation of SOCS3. Phytochemistry, 76. http://doi.org/10.1016/j.phytochem.2011.12.001 (Original work published 4/2012AD)


