@misc{indiciae2d54a9dd2b1d, title = {Nonvariceal upper gastrointestinal bleeding.}, author = {C Rollhauser and D E Fleischer}, year = {2004}, doi = {10.1055/s-2004-814114}, url = {https://pubmed.ncbi.nlm.nih.gov/14722856/}, note = {Source identifier: 14722856} }