<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>6667</termId><termName>CETONAS</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>CETONAS</termSortkey><termCreatedDate>CETONAS</termCreatedDate><termModifiedDate>2015-02-04 13:19:06</termModifiedDate><relation><relationType>UF</relationType><termId>29315</termId><termName>Dicetonas</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>6645</termId><termName>COMPUESTOS ORGANICOS</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>23194</termId><termName>COMPUESTOS OXO</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>64943</termId><termName>DIETA CETOGENICA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>12904</termId><termName>ACETONA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>23109</termId><termName>ALCANFOR</termName><termType>PT</termType></relation></term>  </Zthes>