000			00281 a2200109 4500
005			20220513014923.0
022			_a00223592
245			_aJournal of Periodontology
260			_aChicago _c1986 _bPublished by the American Academy of Periodontology
490			_vVol.57
942			_2lcc _cCR
999			_c22981 _d22981