<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18921</termId><termName>laryngitis</termName><termType>PT</termType><termCreatedDate>0000-00-00 00:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>19929</termId><termName>respiratory tract diseases</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>18924</termId><termName>otorhinolaryngologic diseases</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>19264</termId><termName>inflammation</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>20078</termId><termName>cough</termName><termType>PT</termType></relation></term>  </Zthes>