000 00275nam a2200121Ia 4500
008 200504s9999 xx 000 0 und d
245 0 _aJournal of Periodontology
250 _aSep-Dec
260 _aForeign
_c2010
490 _v81/III
500 _a-
650 _aPeriodontology
999 _c3729
_d3729