Socioeconomic disparities of patients with acute kidney injury: subgroup analysis of local hospitals in China from a national survey. Issue 24 (20th December 2022) - Wu, Lihua; Wang, Jinwei; Ma, Yaqi; Luan, Fengwu; Wang, Mengting; Feng, Zhihong; Tian, Yanhong; Li, Lu; Chu, Rui; Yin, Xiaolong; Wang, Yan; Li, Yanmei; et al.