000 00301nam a2200121Ia 4500
008 200504s9999 xx 000 0 und d
245 0 _aInternational Journal of Periodontics Restorative Dentistry
250 _a-
260 _aForeign
_c2011
490 _v31/-
500 _a-
650 _aPeriodontology
999 _c3746
_d3746