<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Pfaffenrath, Volker</dc:creator>
  <dc:creator>Isler, Hansruedi</dc:creator>
  <dc:creator>Ekbom, Karl</dc:creator>
  <dc:date>2016</dc:date>
  <dc:identifier>https://sonar.ch/global/documents/23191</dc:identifier>
  <dc:language>eng</dc:language>
  <dc:relation>info:eu-repo/semantics/altIdentifier/doi/10.1177/0333102493013s1214</dc:relation>
  <dc:relation>info:eu-repo/semantics/altIdentifier/issn/0333-1024</dc:relation>
  <dc:source>Cephalalgia. - SAGE Publications. - 1993, vol. 13, no. 12_suppl, p. 66-67</dc:source>
  <dc:subject xmlns:ns0="xml" ns0:lang="en">Clinical Neurology</dc:subject>
  <dc:subject xmlns:ns1="xml" ns1:lang="en">General Medicine</dc:subject>
  <dc:title xmlns:ns2="xml" ns2:lang="en">Chronic daily headache</dc:title>
  <dc:type>http://purl.org/coar/resource_type/c_6501</dc:type>
</oai_dc:dc>