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mads.xsd"><authority><topic authority="http://medical-terms.tematres.dev.ekt.gr/vocab">ear</topic></authority><related type="narrower"><topic>labyrinth</topic></related><related type="narrower"><topic>middle ear</topic></related><related type="other"><topic>acoustic nerve</topic></related><related type="other"><topic>hearing</topic></related><related type="other"><topic>central nervous system</topic></related><related type="other"><topic>otitis</topic></related><related type="other"><topic>ear</topic></related><related type="broader"><topic>head</topic></related></mads>