Relationship between baseline platelet-to-red blood cell distribution width ratio and all-cause mortality in non-traumatic subarachnoid hemorrhage: A retrospective analysis of the MIMIC-IV database. - Liu, Yang; Shi, Yi; Zhang, Pengzhao; Xu, Mengyuan; Zhang, Jiaqi; Xia, Jing; Guo, Shaojie; Li, Gaofeng; Feng, Guang (PLoS ONE, 2025)