@article{aydin_berikol_erdogan_gemici_doğan_2023,  title={CHAMPS score in predicting mortality of patients with acute nonvariceal upper gastrointestinal bleeding},  volume={69},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.20221052},  DOI={10.1590/1806-9282.20221052},  number={4},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Aydin, Hakan and Berikol, Göksu Bozdereli and Erdogan, Mehmet Ozgur and Gemici, Eyüp and Doğan, Halil},  year={2023},  pages={e20221052} }