000 00298nam a2200121Ia 4500
008 200511s9999 xx 000 0 und d
082 _a617.632
100 _aNIELD.GEHRIG,JILL
245 0 _aFoundations of Periodontics
260 _bLippincotts W&w
_c2003
300 _eNO
650 _aPeriodontology
999 _c41114
_d41114