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[Helicobacter pylori infection detected during upper gastrointestinal endoscopy].
Da Costa D, Guidotti F, Cabello N, Trigo F, Contreras C, Vergara F, Miranda JP, Montenegro C, Muñoz P, Berger Z. Da Costa D, et al. Among authors: trigo f. Rev Med Chil. 2018 May;146(5):555-561. doi: 10.4067/s0034-98872018000500555. Rev Med Chil. 2018. PMID: 30148918 Free article. Spanish.