Department of Microbiology;
National Center for Clinical Laboratories;
Beijing Hospital;
National Center of Gerontology;
Institute of Geriatric Medicine;
Chinese Academy of Medical Sciences;
Beijing 100730;
China;
The Key Laboratory of Geriatrics;
Beijing Institute of Geriatrics;
Beijing Hospital;
National Center of Gerontology;
National Health Commission;
Institute of Geriatric Medicine;
Chinese Academy of Medical Sciences;
Beijing 100730;
China;
Department of Pharmacy;
Wenzhou Medical University;
Wenzhou 325035;
Zhejiang Province;
China;
8-oxo-7; 8-dihydroguanosine; Shigella flexneri; Infection; Oxidative damage;