<?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://roble.intecca.uned.es/tematres/lem/">Oligoelementos</topic></authority><related type="other"><topic>Minerales en nutrición</topic></related><related type="other"><topic>Elementos químicos</topic></related><related type="other"><topic>Fertilizantes</topic></related><related type="other"><topic>Nutrición</topic></related><related type="other"><topic>Enfermedades carenciales</topic></related><related type="other"><topic>Bioquímica</topic></related><variant type="other"><topic>Microelementos</topic></variant> <note xml:lang="es"><![CDATA[ Véase además los nombres de los distintos oligoelementos: Cobalto ]]></note></mads>