<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457230</termId><termName>silver amalgam</termName><termType>PT</termType><termNote><![CDATA[ Alloy of silver and mercury. ]]></termNote><termCreatedDate>2026-03-30 21:03:04</termCreatedDate><relation><relationType>BT</relationType><termId>31438452</termId><termName>amalgam</termName><termType>PT</termType></relation></term>  </Zthes>