000			00342nam a2200145Ia 4500
008			150201s2000 xx 000 0 und d
082			_a617.632 _bP2000C
100			_aCOHEN, WALTER
245			_aPERIODONTOL MEDICINE
250			_a1ST
260			_bB.C.DECKER _aTORONTO _c2000
300			_a1-294
650			_aPERIODONTICS
942			_2ddc _cBK
999			_c3341 _d3341