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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">ENFERMEDADES RESPIRATORIAS</topic></authority><related type="narrower"><topic>ALERGIA RESPIRATORIA</topic></related><related type="narrower"><topic>ASFIXIA</topic></related><related type="narrower"><topic>DISNEA</topic></related><related type="narrower"><topic>ENFERMEDADES RESPIRATORIAS PEDIATRICAS</topic></related><related type="narrower"><topic>NEUMOTORAX</topic></related><related type="narrower"><topic>OBSTRUCCION DEL SISTEMA RESPIRATORIO</topic></related><variant type="other"><topic>Enfermedades del tracto respiratorio</topic></variant><variant type="other"><topic>Sistema respiratorio--Enfermedades</topic></variant></mads>