<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>11458</termId><termName>RADIOISOTOPOS EN BIOLOGIA</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>RADIOISOTOPOS EN BIOLOGIA</termSortkey><termCreatedDate>RADIOISOTOPOS EN BIOLOGIA</termCreatedDate><termModifiedDate>2015-02-09 11:24:09</termModifiedDate><relation><relationType>UF</relationType><termId>46765</termId><termName>Isótopos radiactivos en biología</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>755</termId><termName>BIOLOGIA</termName><termType>PT</termType></relation></term>  </Zthes>