Elucidating the critical role of gut microbiota in the pathogenesis of bacterial pneumonia: insights from a Mendelian randomization analysis mediated by immune cell. - Gao, Xin; Wang, Changle; Pan, Bingxin; Liu, Yawen; Yuan, Shuo; Zheng, Shaoru; Yu, Dongmei; Han, Lujuan; Meng, Zhaohua (BMC Infectious Diseases, 2025)