<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31341382</termId><termName>radioimmunoassaying</termName><termType>PT</termType><termNote><![CDATA[ Immunoassay technique in which the substance to be detected or measured is tagged with a radioactive tracer. ]]></termNote><termCreatedDate>2026-03-30 20:32:04</termCreatedDate><relation><relationType>BT</relationType><termId>31317358</termId><termName>immunoassaying</termName><termType>PT</termType></relation></term>  </Zthes>