<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18868</termId><termName>submandibular gland</termName><termType>PT</termType><termCreatedDate>0000-00-00 00:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>19187</termId><termName>salivary glands</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>18766</termId><termName>mandible</termName><termType>PT</termType></relation></term>  </Zthes>