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.
Yang YL, Li JP, Xu XP, Dou KF, Yue SQ, Li KZ.Yang YL, et al. Among authors: li kz, li jp.World J Gastroenterol. 2004 Nov 1;10(21):3161-4. doi: 10.3748/wjg.v10.i21.3161.World J Gastroenterol. 2004.PMID: 15457564Free PMC article.
Xu XP, Li KZ, Dou KF, Liu FQ, Zhang JR.Xu XP, et al. Among authors: li kz.Di Yi Jun Yi Da Xue Xue Bao. 2002 Jun;22(6):512-4.Di Yi Jun Yi Da Xue Xue Bao. 2002.PMID: 12297471
Yang YL, Dou KF, Li KZ.Yang YL, et al. Among authors: li kz.World J Gastroenterol. 2003 Jan;9(1):137-40. doi: 10.3748/wjg.v9.i1.137.World J Gastroenterol. 2003.PMID: 12508369Free PMC article.
Wang DS, Dou KF, Li KZ, Gao ZQ, Song ZS, Liu ZC.Wang DS, et al. Among authors: li kz.World J Gastroenterol. 2003 Dec;9(12):2737-41. doi: 10.3748/wjg.v9.i12.2737.World J Gastroenterol. 2003.PMID: 14669324Free PMC article.
Yang YL, Li JP, Dou KF, Li KZ.Yang YL, et al. Among authors: li kz, li jp.World J Gastroenterol. 2003 Dec;9(12):2859-62. doi: 10.3748/wjg.v9.i12.2859.World J Gastroenterol. 2003.PMID: 14669353Free PMC article.
Wang DS, Dou KF, Li KZ, Song ZS.Wang DS, et al. Among authors: li kz.World J Gastroenterol. 2004 Jan 15;10(2):299-302. doi: 10.3748/wjg.v10.i2.299.World J Gastroenterol. 2004.PMID: 14716844Free PMC article.
Yang YL, Li JP, Li KZ, Dou KF.Yang YL, et al. Among authors: li kz, li jp.World J Gastroenterol. 2004 Oct 1;10(19):2898-900. doi: 10.3748/wjg.v10.i19.2898.World J Gastroenterol. 2004.PMID: 15334696Free PMC article.
Yuan SF, Li KZ, Wang L, Dou KF, Yan Z, Han W, Zhang YQ.Yuan SF, et al. Among authors: li kz.World J Gastroenterol. 2005 Aug 14;11(30):4661-6. doi: 10.3748/wjg.v11.i30.4661.World J Gastroenterol. 2005.PMID: 16094706Free PMC article.