<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18038</termId><termName>Retinoides</termName><termType>TT</termType><termCreatedDate>2014-09-15 20:03:47</termCreatedDate><relation><relationType>UF</relationType><termId>18039</termId><termName>Derivados de vitamina A</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>18040</termId><termName>Vitamina A-Derivados</termName><termType>ND</termType></relation></term>  </Zthes>