<?xml version="1.0" encoding="UTF-8"?>
<xml>
<records>
<record>
  <contributors>
    <authors>
      <author>Lanas, A</author>
      <author>García-González, MA</author>
      <author>Santolaria, S</author>
      <author>Crusius, JBA</author>
      <author>Serrano, MT</author>
      <author>Benito, R</author>
      <author>, Peña, AS</author>
    </authors>
  </contributors>
  <titles>
    <title>TNF and LTA gene polymorphisms reveal different risk in gastric and duodenal ulcer patients.</title>
    <secondary-title>Genes immun.</secondary-title>
  </titles>
  <doi/>
  <pages/>
  <volume/>
  <number/>
  <dates>
    <year>2001</year>
    <pub-dates>
      <date>2001</date>
    </pub-dates>
  </dates>
  <abstract/>
</record>

</records>
</xml>