000			00296nam a2200133Ia 4500
008			220613s9999||||xx |||||||||||||| ||und||
100			_aM AEBI
245		0	_aAO ASIF PRINCIPLES IN SPINE SURGERY
250			_a1998
260			_bSPRINGER
300			_a243
650			_aOrthopedics
942			_cSURG
999			_c6931 _d6931