@article{frías-ordoñez_arjona-granados_urrego-díaz_briceño-torres_martínez-marín_2022,  title={VALIDATION OF THE ROCKALL SCORE IN UPPER GASTROINTESTINAL TRACT BLEEDING IN A COLOMBIAN TERTIARY HOSPITAL},  volume={59},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-2803.202200001-15},  DOI={10.1590/S0004-2803.202200001-15},  number={1},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={FRÍAS-ORDOÑEZ, Juan Sebastián and ARJONA-GRANADOS, Dayana Andrea and URREGO-DÍAZ, José Augusto and BRICEÑO-TORRES, Mónica and MARTÍNEZ-MARÍN, Julián David},  year={2022},  month={Jan},  pages={80–88} }