000 00282nam a2200121Ia 4500
008 200504s9999 xx 000 0 und d
245 0 _aJournal of Clinical Periodontology
250 _aJan-Dec
260 _aForeign
_c2001
490 _v28/-
500 _a-
650 _aPeriodontology
999 _c3749
_d3749