<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>32070</termId><termName>Difteria</termName><termType>PT</termType><termCreatedDate>2014-09-15 20:33:15</termCreatedDate><relation><relationType>BT</relationType><termId>32063</termId><termName>Aparato respiratorio-Enfermedades</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>7424</termId><termName>Vacuna antidiftérica</termName><termType>PT</termType></relation></term>  </Zthes>