title: [The APUD system and its tumors].
mesh_terms: D001078:APUD Cells / Q000502:physiology*; D001079:Apudoma / Q000196:embryology / Q000378:metabolism / Q000473:pathology*; D002838:Chromaffin System / Q000196:embryology; D006801:Humans; D009384:Paraneoplastic Endocrine Syndromes / Q000209:etiology
vernacular_title: El sistema APUD y sus tumores.