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mads.xsd"><authority><topic authority="http://medical-terms.tematres.dev.ekt.gr/vocab">public health</topic></authority><related type="narrower"><topic>data collection</topic></related><related type="narrower"><topic>diseases transmission</topic></related><related type="narrower"><topic>environmental pollution</topic></related><related type="narrower"><topic>epidemic</topic></related><related type="narrower"><topic>infection control</topic></related><related type="narrower"><topic>noise</topic></related><related type="narrower"><topic>pest control</topic></related><related type="narrower"><topic>public preventive medicine</topic></related><related type="narrower"><topic>radiologic health</topic></related><related type="narrower"><topic>refuse disposal</topic></related><related type="narrower"><topic>sampling studies</topic></related><related type="narrower"><topic>sanitation</topic></related><related type="other"><topic>public health nursing</topic></related><related type="broader"><topic>health</topic></related></mads>