00365nam a2200133Ia 4500008004100000020002200041041000800063082001300071100001900084245009400103250001200197260001000209650001200219240821s9999    xx            000 0 und d  a978-1-62623-429-1  aeng  a617bDAV  aDavid E. Beck.  aGordon and Nivatvongs Principles and Practice of Surgery for the Colon, Rectum and Anus /  a4th ED.  bThime  aSurgery