An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Dewan SK, Zheng SB, Xia SJ, Bill K.Dewan SK, et al. Among authors: xia sj.Chin Med J (Engl). 2012 Sep;125(18):3325-31.Chin Med J (Engl). 2012.PMID: 22964331Review.
Guan G, Cai J, Zheng S, Xiang Y, Xia S, Zhang Y, Shi J, Wang J.Guan G, et al.Front Aging. 2023 Mar 8;4:1120823. doi: 10.3389/fragi.2023.1120823. eCollection 2023.Front Aging. 2023.PMID: 36970731Free PMC article.
Zhang W, Zheng SB, Zhuang Y, Xiang P, Xiao L, Li B, Ji da N, Xia SJ, Yu Z, Shi DY.Zhang W, et al. Among authors: xia sj.J Dig Dis. 2013 Jul;14(7):366-72. doi: 10.1111/1751-2980.12055.J Dig Dis. 2013.PMID: 23462150