Analysis of Helicobacter pylori infection and related factors among public officials in Guangzhou
Guan Ruoping, Dai Guokui, Jiang Guli, Li Yue, Xu Yan
International Medicine and Health Guidance News . 2022, (2): 284 -287 .  DOI: 10.3760/cma.j.issn.1007-1245.2022.02.034