00275nam a2200121Ia 4500008004100000020001800041082001200059100001000071245004200081250000800123260001400131300000800145160921s9999    xx            000 0 und d  a1-57626-100-X  a617.471  aREGAN  aATLAS OF MINIMAL ACCESS SPINE SURGERY  a2nd  bJPBc2004  a563