00381nam a2200121Ia 4500008004100000245006700041260003900108260000900147300000900156650002600165650001200191856005600203170516s9999    xx            000 0 und d  aDiagnostic reference levels for paediatric computed tomography  bSouth African Journal of Radiology  c2015  a19:2  xRadiologic Technology  xRadtech  uhttp://www.sajr.org.za/index.php/sajr/issue/view/53