<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18372</termId><termName>Epidemias</termName><termType>PT</termType><termCreatedDate>1993-07-13 18:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>18369</termId><termName>Catastrofes naturales</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>20586</termId><termName>Colera</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>18368</termId><termName>Epidemias (America)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>37966</termId><termName>Epidemias (Asia)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>37967</termId><termName>Epidemias (Europa)</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12089</termId><termName>Enfermedades</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>8695</termId><termName>Epidemiologia</termName><termType>PT</termType></relation></term>  </Zthes>