<?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">amino acid dating</topic></authority><related type="broader"><topic>dating</topic></related><variant type="other"><topic>racemization dating</topic></variant><variant type="other"><topic>amino acid racemization dating</topic></variant><variant type="other"><topic>amino-acid dating</topic></variant><variant type="other"><topic>dating, amino acid</topic></variant><variant type="other"><topic>dating, epimerization</topic></variant><variant type="other"><topic>dating, racemization</topic></variant><variant type="other"><topic>epimerization dating</topic></variant> <note xml:lang="en"><![CDATA[ The technique for dating that examines the relation between elapsed time and the degradation of amino acids in proteins, specifically the racemization of amino acids in collagen. ]]></note></mads>