00283nam a2200121Ia 4500008004100000020001800041082001100059100001100070245004300081250000900124260002000133300000800153160921s9999    xx            000 0 und d  a81-905681-1-1  a417.91  aDAS S. 2aA PRACTICAL GUIDE TO OPERATIVE SURGERY  a5th   bOLD MAYORc2007  a565