00558     2200169   4500001002100000008004100021035002000062245015300082260002600235300003200261020001500293084002300308082001200331650001700343990001400360990001400374INLIS000000000053980                                   eng    a0010-0617012872  aRecent advances in periodontology Vol II : Proceedings of the fourth International Academy of Periodontology Meeting, Istambul, 17-20 September 1990  bExerpta Medica,c1991  axiii, 515 hlm. : ilc26 cm.  a0444814248  a617.632 Int r II-1  a617.632  aperiodontics  a127095412  a127095412