Browsing Research Publications by Author "Hiss, Donavon"

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    • Platelet - Rich Fibrin (PRF) - The effect of storage time on platelet concentration 

      Peck, Mogammad T.; Hiss, Donavon; Stephen, L.; Satti, A.; Majeed, Abdul (South African Dental Association, 2015)
      The aim of this study was to determine whether storage time had a significant effect on the platelet concentration of platelet-rich fibrin (PRF). Three blood samples were drawn from each participant into a sterile blood ...

    • Will the new Consumer Protection Act prevent harm to nutritional supplement users? 

      Gabriels, Gary; Lambert, Mike; Smith, Pete; Hiss, Donavon (Health & Medical Publishing Group, 2011)
      BACKGROUND. There is no clear distinction between the regulation of food, supplements and medicines in South Africa. Consequently, grey areas exist in implementing the legislation, particularly in the supplement industry. ...