000 00371nam a2200145Ia 4500
008 150201s1993 xx 000 0 und d
082 _a617.632
_bU1993B
100 _aBERNS,JOEL M.
245 _aUNDERSTANDING PERIODONTAL DISEASES
250 _a1ST
260 _bQUINTESSENCE PUBLICATION
_aCHICAGO
_c1993
300 _aJan-48
650 _aPERIODONTICS
942 _2ddc
_cBK
999 _c4601
_d4601