<?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="https://tesauropsicologia.copmadrid.org/es/">Metadona</topic></authority><related type="other"><topic>Adicción a la heroína</topic></related><related type="other"><topic>Drogadicción</topic></related><related type="other"><topic>Narcóticos</topic></related><related type="broader"><topic>Analgésicos</topic></related></mads>