<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31436446</termId><termName>beta radiography</termName><termType>PT</termType><termNote><![CDATA[ A radiographic technique that uses a plane beta source to produce an image on a radiographic film. ]]></termNote><termCreatedDate>2026-03-30 20:57:41</termCreatedDate><relation><relationType>UF</relationType><termId>31436447</termId><termName>radiography, beta</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31410058</termId><termName>radiography</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31432094</termId><termName>beta rays</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31452833</termId><termName>beta radiographs</termName><termType>PT</termType></relation></term>  </Zthes>