<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>7424</termId><termName>Vacuna antidiftérica</termName><termType>PT</termType><termCreatedDate>2014-09-15 19:44:57</termCreatedDate><relation><relationType>UF</relationType><termId>7425</termId><termName>Vacuna contra la difteria</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>7422</termId><termName>Vacunas bacterianas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>32070</termId><termName>Difteria</termName><termType>PT</termType></relation></term>  </Zthes>