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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">CONTAMINACION DEL SUELO</topic></authority><related type="narrower"><topic>SUSTANCIAS RADIACTIVAS EN LOS SUELOS</topic></related><related type="broader"><topic>ENFERMEDADES TRANSMISIBLES</topic></related><related type="broader"><topic>MICROBIOLOGIA DE SUELOS</topic></related><related type="broader"><topic>SALUD AMBIENTAL</topic></related><related type="broader"><topic>BACTERIAS PATOGENAS</topic></related><related type="broader"><topic>CONTAMINACION</topic></related><variant type="other"><topic>Contaminación de suelos</topic></variant><variant type="other"><topic>Suelo--Contaminación</topic></variant><variant type="other"><topic>Suelos--Contaminación</topic></variant></mads>