Case Report: Reversible neurological involvement associated with Chlamydia psittaci infection: clinical, cerebrospinal fluid and neuroimaging features of three fully documented cases - Hao Zhang; Jia Zhou; Yong Chen; Xiuyan Wang; Xiaoping Luo; Guilan Yang; Zhenzhen Gui; Shuni Wang; Yanan Zhang; Juan Chen (Frontiers in Medicine, 2026)