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Cano, D.; Otero, W.; Gómez, M.; Marulanda, H. omparative revalence of denomatous olyps in eople ged 45 to 49 ears and in eople over 50 ears of ge in a olombian opulation: ase-ontrol tudy. Rev Gastroenterol Peru 2021, 41, 150-155.