00407nam a2200133Ia 450000500170000000800410001702000160005805000200007410000190009424500890011325000080020226000470021030000160025720260811030655.0260811s9999    xx            000 0 und d  a9.78146E+12  aRD 31 .T69 2012  aTownsend, C.M. 0aSabiston textbook of surgery: the biological basis of modern surgical practicecTown  a19e  aPhiladelphia, PA:bElsevier Saundersc2012  axxv, 2124p.