<?xml version="1.0"?>

 <rdf:Description xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Recent advances in periodontology Vol II : Proceedings of the fourth International Academy of Periodontology Meeting, Istambul, 17-20 September 1990</dc:title>
  <dc:type>text</dc:type>
  <dc:publisher>Exerpta Medica,</dc:publisher>
  <dc:date>1991</dc:date>
  <dc:language>eng</dc:language>
  <dc:subject>periodontics</dc:subject>
  <dc:identifier>URN:ISBN:0444814248</dc:identifier>
</rdf:Description>