PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Emergency and Critical Care Evidence Based Medicine Gastroenterology and Hepatology Nursing Lan Chen PeerJ Author Summary Emergency & Critical Care Gastroenterology & Hepatology PeerJ Contributions Articles 1 June 24, 2021 Prediction model of emergency mortality risk in patients with acute upper gastrointestinal bleeding: a retrospective study Lan Chen, Han Zheng, Saibin Wang https://doi.org/10.7717/peerj.11656 PubMed 34221734