<?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">mass spectrometers</topic></authority><related type="other"><topic>peptide mass fingerprinting</topic></related><related type="broader"><topic>mass spectroscopes</topic></related><variant type="other"><topic>mass spectrometer</topic></variant><variant type="other"><topic>spectrometer, mass</topic></variant><variant type="other"><topic>spectrometers, mass</topic></variant> <note xml:lang="en"><![CDATA[ Mass spectroscopes that identify and record the kinds and intensities of particles in a given substance. ]]></note></mads>