@article{opperman_venter_oosthuizen_thompson_2005, 
  title={Some health benefits of low glycaemic index diets – a systematic review}, 
  volume={18}, 
  DOI={10.1080/16070658.2005.11734070}, 
  publisher={Informa UK Limited}, 
  author={Opperman and Venter and Oosthuizen and Thompson}, 
  year={2005}
  }