000 00269nam a2200121Ia 4500
008 200511s9999 xx 000 0 und d
245 0 _aJournal of Periodontology
250 _aForeign
260 _c-,2005
490 _v76/II
500 _a-
650 _aPeriodontology
999 _c40102
_d40102