<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>39602</termId><termName>METABOLISMO DEL HIERRO</termName><termType>TT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>METABOLISMO DEL HIERRO</termSortkey><termCreatedDate>METABOLISMO DEL HIERRO</termCreatedDate><relation><relationType>UF</relationType><termId>39603</termId><termName>Hierro--Metabolismo</termName><termType>ND</termType></relation></term>  </Zthes>