na INLIS000000000053980 eng 0010-0617012872 Recent advances in periodontology Vol II : Proceedings of the fourth International Academy of Periodontology Meeting, Istambul, 17-20 September 1990 Exerpta Medica, 1991 xiii, 515 hlm. : il 26 cm. 0444814248 617.632 Int r II-1 617.632 periodontics 127095412 127095412