Lameris Roeland, du Plessis Johannie, Nieuwoudt Martin, Scheepers Albrecht, van der Merwe Schalk W
Hepatology and Gastroenterology Research Unit, Department of Immunology, Pathology Building Lab 2-75, Basic Medical Sciences Campus, Dr. Savage Road, University of Pretoria, and Unitas Intervention Radiology Unit, Pretoria East Hospital, Pretoria, South Africa.
Gastrointest Endosc. 2011 Feb;73(2):392-5. doi: 10.1016/j.gie.2010.05.019. Epub 2010 Jul 13.