<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>89451</termId><termName>SÍNDROME X</termName><termType>PT</termType><termLanguage>pt</termLanguage><termVocabulary>Vocabulário Controlado da USP</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>SÍNDROME X</termSortkey><termCreatedDate>SÍNDROME X</termCreatedDate><relation><relationType>BT</relationType><termId>5307</termId><termName>ANGINA PECTORIS</termName><termType>PT</termType></relation></term>  </Zthes>