Association between albumin and short-term outcomes of unplanned early readmission emergency department patients: A retrospective cohort study - Liang Zhou; Xiaona Cai; Kunpeng Hu; Shuo Tang; Dandan Gao; Xiaojuan Zhang; Yin Wu; Li He; Bangfu Zhou; Ruoyu Wu; Zhigang Zhang (PLoS ONE, 2025)