1﹒ Braun MA﹒Basic catheterization skil s﹒In:Braun MA,Nemcek AA,Vogelzang RL,eds﹒Interventional Radiology Procedure Manual﹒Churchil Livingstone,New York,1997,23~30 2﹒Criado FJ﹒Guidewires and catheters:basic designs and choices﹒In:Criado FJ,eds﹒Endovascular ......