Journal articles
2010
- . (2010). High Performance Thin Layer Chromatographic Method for Quantitative Determination of Quercetin in Tender Leaves of Psidium guajava. Pharmacognosy Journal, 2(17). http://doi.org/10.1016/S0975-3575(10)80005-7 (Original work published 12/2010AD)
- . (2010). High performance thin layer chromatography as a method to authenticate Hoodia gordonii raw material and products. South African Journal Of Botany, 76(1), 119 - 124. http://doi.org/10.1016/j.sajb.2009.09.011 (Original work published 1/2010AD)
- . (2010). Histomorphometric effects of Kigelia africana (Bignoniaceae) fruit extract on the testis following short-term treatment with cisplatin in male Sprague–Dawley rats. Middle East Fertility Society Journal, 15(3), 200–208. http://doi.org/10.1016/j.mefs.2010.07.001 (Original work published 7/2010AD)
1996
- . (1996). HIV-related tuberculosis in South Africa-clinical features and outcome. South African Medical Journal, 6(Jan-Dec), 64-66. Retrieved from http://archive.samj.org.za/1996%20VOL%2086%20Jan-Dec/1-750/Articles/01%20Janurary/1.12%20HIV-RELATED%20TUBERCULOSIS%20IN%20SOUTH%20AFRICA%20-%20CLINICAL%20FEATURES%20AND%20OUTCOME.%20David%20Wilkinson%20an.pdf (Original work published 1996)
- . (1996). HPLC quantification of the dihydrochalcones, aspalathin and nothofagin in rooibos tea (Aspalathus linearis) as affected by processing. Food Chemistry, 55(4). http://doi.org/10.1016/0308-8146(95)00166-2 (Original work published 4/1996AD)
2006
- . (2006). Homoisoflavanones and spirocyclic nortriterpenoids from three Eucomis species: E. comosa, E. schijffii and E. pallidiflora subsp. pole-evansii (Hyacinthaceae). South African Journal Of Botany, 72(3). http://doi.org/10.1016/j.sajb.2005.12.006 (Original work published 8/2006AD)
1999
- . (1999). Homoisoflavanones from three South African Scilla species. Phytochemistry, 51(7). http://doi.org/10.1016/S0031-9422(99)00154-5 (Original work published 8/1999AD)
2012
- . (2012). Homoisoflavonoids from the medicinal plant Portulaca oleracea. Phytochemistry, 80. http://doi.org/10.1016/j.phytochem.2012.05.014 (Original work published 8/2012AD)
2009
- . (2009). Honeybush (Cyclopia sp.) – A rich source of compounds with high antimutagenic properties. Fitoterapia, 80(1). http://doi.org/10.1016/j.fitote.2008.11.001 (Original work published 1/2009AD)
- . (2009). Hoodia: Natürliche Heilkraft zur Gewichtsreduktion aus der Traditionellen Medizin Südafrikas? Ein Review zu Geschichte, Zusammensetzung, Wirkversprechen, wissenschaftlicher Evidenz und Fragen des geistigen Eigentums. Schweizerische Zeitschrift Für Ganzheitsmedizin / Swiss Journal Of Integrative Medicine, 21(6), 300 - 306. http://doi.org/10.1159/000291013 (Original work published 2009)
2008
- . (2008). Hoodia gordonii: A natural appetite suppressant. Journal Of Ethnopharmacology, 119(3), 434 - 437. http://doi.org/10.1016/j.jep.2008.08.023 (Original work published 10/2008AD)
2011
- . (2011). Hoodia gordonii: An Up-to-Date Review of a Commercially Important Anti-Obesity Plant. Planta Medica, 77(11), 1149 - 1160. http://doi.org/10.1055/s-0030-1250643 (Original work published 7/2011AD)
- . (2011). Hydnora abyssinica: Ethnobotanical evidence for its occurrence in southern Mozambique. South African Journal Of Botany, 77(2), 474 - 478. http://doi.org/10.1016/j.sajb.2010.09.010 (Original work published 4/2011AD)
2007
- . (2007). HPLC-SPE-NMR Characterization of Sesquiterpenes in an Antimycobacterial Fraction from Warburgia salutaris. Planta Medica, 73(6), 578 - 584. http://doi.org/10.1055/s-2007-967187 (Original work published 6/2007AD)
2014
- . (2014). Hyaluronidase, phospholipase A2 and protease inhibitory activity of plants used in traditional treatment of snakebite-induced tissue necrosis in Mali, DR Congo and South Africa. Journal Of Ethnopharmacology, 157. http://doi.org/10.1016/j.jep.2014.09.027 (Original work published 11/2014AD)