000 00364nam a2200133 i 4500
999 _c3517
_d3517
082 0 0 _a617.632
_bA75
100 1 _aArmitage, Gary C.
245 1 0 _aBiologic basis of periodontal maintenance therapy /
260 _aBerkeley, Calif. :
_bPraxis Pub. Co.,
_cc1980.
300 _a233 p. :
_bill. ;
650 0 _aPeriodontal disease.
650 0 _aPeriodontics.
942 _cBK