Guangcai Duan

Jan 1, 2025 | bmjopen.bmj.com | Yu Chen |Wangquan Ji |Guangcai Duan |Huifen Feng

DiscussionIn retrospective cohort studies, many clinical indicators differ between mild and severe cases.

Mar 10, 2023 | ard.bmj.com | Haiyan Yang |Jie Xu |Guangcai Duan |Yadong Wang

http://orcid.org/0000-0002-1797-304XHaiyan Yang1, Jie Xu1, Li Shi1, Guangcai Duan1, Yadong Wang2 1 Department of Epidemiology, Zhengzhou University, Zhengzhou, Henan, China 2 Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou, Henan, China Correspondence to Dr Haiyan Yang, Department of Epidemiology, Zhengzhou University, Zhengzhou 450001, China; yhy{at}zzu.edu.cn; Dr Yadong Wang, Department of Toxicology, Henan Center for Disease Control and Prevention,...

Mar 1, 2023 | mdpi.com | Zijie Li |Wangquan Ji |Shuaiyin Chen |Guangcai Duan

Open AccessEditorialbyZijie Li 1, Wangquan Ji 1, Shuaiyin Chen 1, Guangcai Duan 1,2 and Yuefei Jin 1,* 1Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou 450001, China2Henan Key Laboratory of Molecular Medicine, Zhengzhou University, Zhengzhou 450001, China*Author to whom correspondence should be addressed.