• Publications
  • Influence

Claim Your Author Page
Ensure your research is discoverable on Semantic Scholar. Claiming your author page allows you to personalize the information displayed and manage publications (all current information on this profile has been aggregated automatically from publisher and metadata sources).
  • P. Hendrik Pretorius, A J van Rensburg, Andries van Aswegen, Mattheus G. Lötter, D. E. Serfontein, Charles P. Herbst
  • Medicine
  • Journal of nuclear medicine : official…
  • 1993 (First Published: 1 February 1993)
  • The accuracy of quantitation of radionuclide distributions in human tissue with the scintillation camera is decreased by attenuation and scatter of photons. If scatter correction is appliedContinue Reading
  • Johan A Van Staden, Hanlie du Raan, Mattheus G. Lötter, Andries van Aswegen, Charles P. Herbst
  • Engineering, Medicine
  • Physics in medicine and biology
  • 2007 (First Published: 1 December 2007)
  • This note proposes the use of a standard inkjet printer to produce radioactive (99m)Tc phantoms that can be used for routine quality control of gamma cameras. The amount of activity that will beContinue Reading
  • P. Hendrik Pretorius, Andries van Aswegen, Mattheus G. Lötter, Charles P. Herbst, Maria G Nel, Anton C. Otto
  • Medicine
  • Journal of nuclear medicine : official…
  • 1993 (First Published: 1 June 1993)
  • SPECT enables quantitation of organ volume with radionuclide techniques using threshold edge detection methods. Previous phantom studies showed that a negative correlation exists between volume andContinue Reading
  • Jesse M. Cohen, Naveen Chandra, Philip O. Alderson, Andries van Aswegen, Joshua E. Tsitlik, Myron L. Weisfeldt
  • Medicine
  • The American journal of cardiology
  • 1982 (First Published: 1 June 1982)
  • Abstract Simultaneous compression-ventilation Cardiopulmonary resuscitation has been shown to produce high peripheral arterial pressure and flows in comparison with conventional CardiopulmonaryContinue Reading