<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>20412</termId><termName>HEPATITIS C</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>HEPATITIS C</termSortkey><termCreatedDate>HEPATITIS C</termCreatedDate><relation><relationType>UF</relationType><termId>20413</termId><termName>Hepatitis viral No-A No-B</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>9927</termId><termName>HEPATITIS VIRAL</termName><termType>PT</termType></relation></term>  </Zthes>