000 00282nam a2200121Ia 4500
008 200504s9999 xx 000 0 und d
245 0 _aJournal of Clinical Periodontology
250 _aJan-Jun
260 _aForeign
_c2010
490 _v37/I
500 _a-
650 _aPeriodontology
999 _c3756
_d3756