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mads.xsd"><authority><topic authority="http://medical-terms.tematres.dev.ekt.gr/vocab">sociology</topic></authority><related type="narrower"><topic>family</topic></related><related type="narrower"><topic>public opinion</topic></related><related type="narrower"><topic>social  environment</topic></related><related type="narrower"><topic>social hierarchy</topic></related><related type="narrower"><topic>social isolation</topic></related><related type="narrower"><topic>social justice</topic></related><related type="narrower"><topic>social problems</topic></related><related type="narrower"><topic>social welfare</topic></related><related type="narrower"><topic>social work</topic></related><related type="narrower"><topic>socialization</topic></related><related type="narrower"><topic>socioeconomic factors</topic></related><related type="broader"><topic>social sciences</topic></related></mads>