%0 Journal Article %T Peak urea level, leukocyte count and use of invasive ventilation as risk factors of mortality in acute pancreatitis: A retrospective study %A Chang-Wei Chen %A Chao-Nan Liu %A Hao Chen %A Jing Zhou %A Lei Du %A Li Yue %A Li-Qin Ling %A Si Chen %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0216562 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6510417/