000 00283nam a2200121Ia 4500
008 200511s9999 xx 000 0 und d
245 0 _aJournal of Clinical Periodontology
250 _aForeign
260 _cJan-Jun,2015
490 _v42/I
500 _a-
650 _aPeriodontology
999 _c40293
_d40293