<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>5172</termId><termName>TRATAMIENTO DE ENFERMEDADES</termName><termType>TT</termType><termCreatedDate>2011-05-05 15:36:54</termCreatedDate><relation><relationType>RT</relationType><termId>5175</termId><termName>TRATAMIENTO MEDICO</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>5176</termId><termName>TRATAMIENTO ONCOLOGICO</termName><termType>PT</termType></relation></term>  </Zthes>