@misc{indiciaeeaad888dd628, title = {Routine early endoscopy in upper-gastrointestinal-tract bleeding: a randomized, controlled trial.}, author = {W L Peterson and C C Barnett and H J Smith and M H Allen and D B Corbett}, year = {1981}, doi = {10.1056/nejm198104163041601}, url = {https://pubmed.ncbi.nlm.nih.gov/7010164/}, note = {Source identifier: 7010164} }