<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18281</termId><termName>radiology</termName><termType>PT</termType><termCreatedDate>0000-00-00 00:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>18453</termId><termName>medical specialties</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>18290</termId><termName>nuclear medicine</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>18282</termId><termName>pediatric radiology</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>18176</termId><termName>X-rays</termName><termType>PT</termType></relation></term>  </Zthes>