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.
Chen XM, Zhang Y, Cai HH, Sun DL, Liu SY, Duan YF, Yang C, Jiang Y, Wu HR.Chen XM, et al.J Laparoendosc Adv Surg Tech A. 2013 Dec;23(12):977-81. doi: 10.1089/lap.2013.0309. Epub 2013 Oct 18.J Laparoendosc Adv Surg Tech A. 2013.PMID: 24138388
Zhang Y, Chen XM, Sun DL, Yang C.Zhang Y, et al. Among authors: chen xm.World J Surg Oncol. 2014 Mar 21;12:60. doi: 10.1186/1477-7819-12-60.World J Surg Oncol. 2014.PMID: 24656049Free PMC article.
Zhang Y, Chen XM, Sun DL.Zhang Y, et al. Among authors: chen xm.World J Surg Oncol. 2014 Nov 5;12:327. doi: 10.1186/1477-7819-12-327.World J Surg Oncol. 2014.PMID: 25373552Free PMC article.Clinical Trial.
Zhang Y, Chen XM, Sun DL.Zhang Y, et al. Among authors: chen xm.Int J Clin Exp Med. 2015 Jan 15;8(1):904-9. eCollection 2015.Int J Clin Exp Med. 2015.PMID: 25785073Free PMC article.