<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">material components</topic></authority><related type="narrower"><topic>[seed components as materials]</topic></related><related type="narrower"><topic>[egg components as materials]</topic></related><related type="narrower"><topic>[tooth components as material]</topic></related><related type="narrower"><topic>[hair components as material]</topic></related><related type="narrower"><topic>[bone components as materials]</topic></related><related type="narrower"><topic>ions</topic></related><related type="narrower"><topic>atoms</topic></related><related type="narrower"><topic>electrons</topic></related><related type="narrower"><topic>molecules</topic></related><related type="narrower"><topic>chromophores</topic></related><related type="narrower"><topic>nanoparticles</topic></related><related type="narrower"><topic>bubbles</topic></related><related type="broader"><topic>components by specific context</topic></related><related type="broader"><topic>materials</topic></related><variant type="other"><topic>components, material</topic></variant><variant type="other"><topic>material component</topic></variant> <note xml:lang="en"><![CDATA[ Parts or components of materials.  ]]></note></mads>