<?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">drug abuse</topic></authority><related type="other"><topic>drug addiction</topic></related><related type="broader"><topic>substance abuse</topic></related><variant type="other"><topic>abuse, drug</topic></variant> <note xml:lang="en"><![CDATA[ Excessive use or misuse of drugs, causing physical, emotional, mental, or sensory injury or impairment. For addiction to narcotics or other drugs, use "drug addiction." ]]></note></mads>