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Geovanna Karolina Cazorla Andrade; María José Montaño Ortega; Edisson Fabricio Mejia Sarmiento; Janneth Paola Orellana Minchala; Claudia Gabriela Jara Maldonado; Estefanía Isabel Clavijo Rosales; Mauro Jacinto Moyano Urena; Mayra Alexandra Rodas Merchán; Daniel Guillermo Calle Rodas; Bryam Esteban Coello García. GASTROINTESTINAL BLEEDING, DESCRIPTION, ETIOLOGY, EPIDEMIOLOGY, CLASSIFICATION, CLINICAL PRESENTATION, TREATMENT AND PROGNOSIS. EPRA International Journal of Multidisciplinary Research (IJMR) 2024, 10, 534-539.