<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4909</termId><termName>Visión, Trastornos de la - Prevención</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>INDICES DE MATERIAS</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Visión, Trastornos de la - Prevención</termSortkey><termNote label="Source"><![CDATA[ 617.75:614.8 ]]></termNote><termCreatedDate>Visión, Trastornos de la - Prevención</termCreatedDate><relation><relationType>BT</relationType><termId>4864</termId><termName>Área 7. Ergonomía visual</termName><termType>PT</termType></relation></term>  </Zthes>