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.
Zhang XP, Tian H, Lai YH, Chen L, Zhang L, Cheng QH, Yan W, Li Y, Li QY, He Q, Wang F.Zhang XP, et al. Among authors: zhang l.World J Gastroenterol. 2007 Oct 14;13(38):5079-89. doi: 10.3748/wjg.v13.i38.5079.World J Gastroenterol. 2007.PMID: 17876873Free PMC article.
Zhang XP, Zhang L, Wang Y, Cheng QH, Wang JM, Cai W, Shen HP, Cai J.Zhang XP, et al. Among authors: zhang l.JOP. 2007 Jul 9;8(4):400-12.JOP. 2007.PMID: 17625291
Yao J, Zhang L, Lei W, Huang Y, Zhang H, Lu B, Yao Y, Zhao L, Sun J.Yao J, et al. Among authors: zhang l, zhang h.Ann Palliat Med. 2019 Nov;8(5):660-666. doi: 10.21037/apm.2019.11.21.Ann Palliat Med. 2019.PMID: 31865727Free article.
Zhang L, Yu Y, Xue J, Lei W, Huang Y, Li Y, Sun J.Zhang L, et al.Front Surg. 2021 Sep 8;8:681471. doi: 10.3389/fsurg.2021.681471. eCollection 2021.Front Surg. 2021.PMID: 34568412Free PMC article.