<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18240</termId><termName>blood platelets</termName><termType>PT</termType><termCreatedDate>0000-00-00 00:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>18243</termId><termName>hemocytes</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>18254</termId><termName>blood coagulation</termName><termType>PT</termType></relation></term>  </Zthes>