000 00274nam a2200109Ia 4500
008 220809s2011 xx 000 0 und d
041 _aeng
245 _aAnnals of surgery ,Vol-253,No-1-6,Jan-June,2011,
260 _c2011
520 _aBack Volume
650 _aSurgery (617)
999 _c165422
_d165422