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.
Liu GM, Ji X, Lu TC, Duan LW, Jia WY, Liu Y, Sun ML, Luo YG.Liu GM, et al.World J Gastroenterol. 2019 Dec 28;25(48):6890-6901. doi: 10.3748/wjg.v25.i48.6890.World J Gastroenterol. 2019.PMID: 31908393Free PMC article.
Luo YG, Duan LW, Ji X, Jia WY, Liu Y, Sun ML, Liu GM.Luo YG, et al.World J Gastroenterol. 2020 Feb 14;26(6):670-685. doi: 10.3748/wjg.v26.i6.670.World J Gastroenterol. 2020.PMID: 32103875Free PMC article.
Duan LW, Sun H, Xiao RX, Pan LL, Li DF.Duan LW, et al.Zhonghua Gan Zang Bing Za Zhi. 2012 Jun;20(6):477-8.Zhonghua Gan Zang Bing Za Zhi. 2012.PMID: 23230599Chinese.No abstract available.