Journal articles
2011
- . (2011). Corneal endothelial toxicity secondary to Asclepias fruticosa. Eye, 25(7), 961 - 963. http://doi.org/10.1038/eye.2011.59 (Original work published 7/2011AD)
1971
- . (1971). Coumarins and alkaloids from cell cultures of Ruta graveolens. Phytochemistry, 10(1). http://doi.org/10.1016/S0031-9422(00)90269-3 (Original work published 1/1971AD)
1986
- . (1986). Coumarins from two Coleonema species. Phytochemistry, 26(1). http://doi.org/10.1016/S0031-9422(00)81523-X (Original work published 12/1986AD)
1978
- . (1978). Coumarins in the Rutaceae. Phytochemistry, 17(5). http://doi.org/10.1016/S0031-9422(00)88634-3 (Original work published 1/1978AD)
1998
- . (1998). Coupling SFE to uterotonic bioassay: an on-line approach to analysing medicinal plants. Journal Of Pharmaceutical And Biomedical Analysis, 18(3). http://doi.org/10.1016/S0731-7085(98)00045-4 (Original work published 11/1998AD)
2008
- . (2008). COX-1 inhibition of Heteromorpha arborescens. South African Journal Of Botany, 74(2), 335 - 337. http://doi.org/10.1016/j.sajb.2007.11.006 (Original work published 4/2008AD)
- . (2008). Current perspectives on an emerging formal natural products sector in South Africa. Journal Of Ethnopharmacology, 119(3), 365 - 375. http://doi.org/10.1016/j.jep.2008.07.020 (Original work published 10/2008AD)
- . (2008). Cycloartane Glycosides from Sutherlandia frutescens. Journal Of Natural Products, 71(10). http://doi.org/10.1021/np800328r (Original work published 10/2008AD)
2001
- . (2001). COX-1 inhibitory activity in extracts from Eucomis L'Herit. species. Journal Of Ethnopharmacology, 75(2-3). (Original work published 5/2001AD)
- . (2001). Crinum species in traditional and modern medicine. Journal Of Ethnopharmacology, 78(1), 15 - 26. http://doi.org/10.1016/S0378-8741(01)00305-1 (Original work published 11/2001AD)
- . (2001). Cyclooxygenase inhibiting and anti-bacterial activities of South African Erythrina species. Journal Of Ethnopharmacology, 74(3). http://doi.org/doi:10.1016/S0378-8741(00)00366-4 (Original work published 3/2001AD)
2012
- . (2012). Cross-cultural comparison of medicinal floras used against snakebites. Journal Of Ethnopharmacology, 139(3). (Original work published 2/2012AD)
- . (2012). Cultivation practices and manufacturing processes to produce Hoodia gordonii extract for weight management products. Food And Chemical Toxicology, 50, S1 - S5. http://doi.org/10.1016/j.fct.2011.09.042 (Original work published 1/2012AD)
2000
- . (2000). Cryptocarya species—substitute plants for Ocotea bullata? A pharmacological investigation in terms of cyclooxygenase-1 and-2 inhibition. Journal Of Ethnopharmacology, 71(3). (Original work published 8/2000AD)
1975
- . (1975). Cumarine aus südafrikanischen Pelargonium-arten. Phytochemistry, 14(9). http://doi.org/10.1016/0031-9422(75)83126-8 (Original work published 9/1975AD)


