00284nam a2200109Ia 4500008004100000041000800041082002100049100001700070245003600087260004200123300000900165230411s9999    xx            000 0 und d  aeng  aS/617/LEA/B01768  aLeaper David  aInternational Surgical Practice  bOxford University PressaOxfordc1992  a416p