00385nam a2200121Ia 4500008004100000245007100041260003900112260000900151300000900160650002600169650001200195856005600207170516s9999    xx            000 0 und d  aObstetric ultrasound − its risks and the cost of addressing them  bSouth African Journal of Radiology  c2013  a17:3  xRadiologic Technology  xRadtech  uhttp://www.sajr.org.za/index.php/sajr/issue/view/23