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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Reflujo gastroesofágico</topic></authority><related type="other"><topic>Hernia de hiato</topic></related><related type="other"><topic>Pirosis</topic></related><related type="broader"><topic>Esófago-Enfermedades</topic></related><variant type="other"><topic>Reflujo esofágico</topic></variant><variant type="other"><topic>Enfermedad por reflujo gastroesofágico</topic></variant><variant type="other"><topic>Esofagitis péptica</topic></variant></mads>