Clinical characteristics of schizophrenia, depression, and Alzheimer’s diseases among older adults: a retrospective study of 271 consecutive admissions - Wang, Wen; Ye, Junrong; Wei, Yanheng; Huang, Jiawei; Wang, Haoyun; Liu, Fei; Wu, Shengwei; Wu, Jialan; Li, Zezhi; Guo, Jianxiong; Xiao, Aixiang (Frontiers in Psychiatry, 2025)