000 00319cam a2200133 4500
050 0 0 _aRK361
_b.P74
100 1 _aPrichard, John F.
245 1 0 _aAdvanced periodontal disease;
250 _a2d ed.
260 _aPhiladelphia,
_bSaunders,
_c1972
300 _axvi, 990 p.
_billus.
650 0 _aPeriodontics.
942 _cBK
999 _c11049
_d11049