000 00274nam a2200121Ia 4500
008 200511s9999 xx 000 0 und d
245 0 _aJournal of Periodontology
250 _aForeign
260 _cJan-Apr,2011
490 _v82/I
500 _a-
650 _aPeriodontology
999 _c39728
_d39728