Naïve CD4+ cell counts significantly decay and high HIV RNA levels contribute to immunological progression in long-term non-progressors infected with HIV by blood products: a cohort study. - Xu, Ling; Liu, Yubin; Song, Xiaojing; Li, Yanling; Han, Yang; Zhu, Ting; Cao, Wei; Li, Taisheng (BMC Immunology, 2021)