van Dyk, S., South Africa

• Vol 21, No 1 (2002) - Research Letter
  The in vitro evaluation of the efficacy of five plants traditionally used for the treatment of sexually transmitted diseases
  Abstract  PDF
• Vol 10, No 4 (1991) - Original Research
  In vitro antimicrobial activity and in vitro toxicity of trimethoprim degradation products
  Abstract  PDF
• Vol 13, No 4 (1994) - Original Research
  The toxicity of Gladiolus dalenii van Geel
  Abstract  PDF