Huisi Qiu, Yongshuai Fu, Ziwen Lv, Xingyu Zhu, Junhui Gu, Zhuo Gao, Dong Liu. "Risk prediction of all-cause mortality in hospitalized patients with severe acute pancreatitis by serum urea nitrogen/albumin ratio." PLoS ONE, 2025. doi:10.1371/journal.pone.0326543