Víctor Arribas

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Barium granuloma of the colon and rectum is a rare complication of X-ray examination of the digestive tract using barium. The authors report 5 new cases occurring in the last 3 years. Histological examination revealed a granulomatous reaction with greyish finely granular refractile PAS-negative material located in the cytoplasm of histiocytes and in the(More)
The aim of this paper is to detect incoherences in concepts, ideas, values, and others contained in technical document corpora. The way in which document collections are generated, modified or updated generates problems and mistakes in the information coherency, leading to legal, economic and social problems. A solution based on summarization, matching and(More)
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