00274nam a2200121Ia 4500008004100000020001800041082001100059100001100070245004200081250000800123260001300131300000800144160921s9999    xx            000 0 und d  a81-905681-1-1  a417.91  aDAS S. 2aA PRACTICAL GUIDE TO OPERAIVE SURGERY  a5th  bSDc2007  a565