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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Gangrena</topic></authority><related type="narrower"><topic>Gangrena diabética</topic></related><related type="other"><topic>Necrosis</topic></related><related type="other"><topic>Enfermedades vasculares periféricas</topic></related></mads>