The CD4/CD8 ratio is associated with T lymphocyte functions in long-term virally suppressed patients with HIV. - Xiao, Qing; Yu, Fengting; Yan, Liting; Lao, Xiaojie; Liang, Xuelei; Zhao, Hongxin; Zhai, Liuyue; Yang, Zailin; Zhang, Xiaomei; Liu, Yao; Zhang, Fujie (BMC Infectious Diseases, 2025)