000 00276nam a2200109Ia 4500
008 220729s2011 xx 000 0 und d
041 _aeng
100 _aRichard Winn H
245 _aYoumans neurological surgery
250 _a6
260 _aChina
_bElesevier Publications
_c2011
999 _c134663
_d134663