<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>15744</termId><termName>Ecografía en obstetricia</termName><termType>PT</termType><termCreatedDate>2014-09-15 19:59:52</termCreatedDate><relation><relationType>UF</relationType><termId>15745</termId><termName>Ecografía obstétrica</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>15746</termId><termName>Embarazo-Ecografía</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>15741</termId><termName>Ecografía</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>15747</termId><termName>Feto-Ecografía</termName><termType>PT</termType></relation></term>  </Zthes>