<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4826</termId><termName>Histología</termName><termType>TT</termType><termLanguage>es</termLanguage><termVocabulary>INDICES DE MATERIAS</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Histología</termSortkey><termCreatedDate>Histología</termCreatedDate><relation><relationType>RT</relationType><termId>4819</termId><termName>Microscopios y microscopia</termName><termType>PT</termType></relation></term>  </Zthes>