000 00331nam a2200133Ia 4500
008 241014s9999||||xx |||||||||||||| ||und||
020 _a185097072-6
060 _aWU 241 .P74
100 _aPreus,Hans R and Laurell,Lars
245 0 _aPeriodontal Diseases
260 _bQuintessence
_c2003
650 _aDentistry
942 _bDIDC
_cBK
999 _c6007
_d6007