<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>7661</termId><termName>Sustancias tóxicas</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>Tesauro</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Sustancias tóxicas</termSortkey><termNote label="Registro Aleph"><![CDATA[ 1101 ]]></termNote><termCreatedDate>Sustancias tóxicas</termCreatedDate><relation><relationType>UF</relationType><termId>22764</termId><termName>Substancias tóxicas</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>7645</termId><termName>Control sanitario de productos y servicios</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>7628</termId><termName>Contaminantes tóxicos</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1817</termId><termName>Delitos contra la salud pública</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1810</termId><termName>Toxicología</termName><termType>PT</termType></relation></term>  </Zthes>