<?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">chemistry</topic></authority><related type="narrower"><topic>pharmacy</topic></related><related type="narrower"><topic>biochemistry</topic></related><related type="narrower"><topic>inorganic chemistry</topic></related><related type="narrower"><topic>organic chemistry</topic></related><related type="narrower"><topic>geochemistry</topic></related><related type="narrower"><topic>alchemy</topic></related><related type="narrower"><topic>pharmacology</topic></related><related type="narrower"><topic>physical chemistry</topic></related><related type="narrower"><topic>electrochemistry</topic></related><related type="narrower"><topic>microchemistry</topic></related><related type="narrower"><topic>thermochemistry</topic></related><related type="narrower"><topic>chemometrics</topic></related><related type="narrower"><topic>computational chemistry</topic></related><related type="other"><topic>chemists</topic></related><related type="other"><topic>chemistry equipment</topic></related><related type="broader"><topic>physical sciences</topic></related><variant type="other"><topic>chemical</topic></variant> <note xml:lang="en"><![CDATA[ Branch of physical science that deals with the composition and properties of the elementary substances of which all bodies are composed, the laws that regulate their combination, and the various phenomena that accompany their exposure to diverse physical conditions. ]]></note></mads>