<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>28725</termId><termName>Enfermedades (Centroamerica)</termName><termType>PT</termType><termCreatedDate>1999-12-07 16:56:00</termCreatedDate><relation><relationType>BT</relationType><termId>19856</termId><termName>Enfermedades (America)</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>28232</termId><termName>Medicina (Centroamerica)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>32744</termId><termName>Enfermedades (El Salvador)</termName><termType>PT</termType></relation></term>  </Zthes>