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.
Ng SC, Lau JY, Chan FK, Suen BY, Leung WK, Tse YK, Ng SS, Lee JF, To KF, Wu JC, Sung JJ.Ng SC, et al. Among authors: to kf.Gastroenterology. 2013 Mar;144(3):544-50. doi: 10.1053/j.gastro.2012.11.011. Epub 2012 Nov 13.Gastroenterology. 2013.PMID: 23159367Clinical Trial.
Chan FK, Sung JJ, Chung SC, To KF, Yung MY, Leung VK, Lee YT, Chan CS, Li EK, Woo J.Chan FK, et al. Among authors: to kf.Lancet. 1997 Oct 4;350(9083):975-9. doi: 10.1016/s0140-6736(97)04523-6.Lancet. 1997.PMID: 9329511Clinical Trial.
Ng EK, Lam YH, Sung JJ, Yung MY, To KF, Chan AC, Lee DW, Law BK, Lau JY, Ling TK, Lau WY, Chung SC.Ng EK, et al. Among authors: to kf.Ann Surg. 2000 Feb;231(2):153-8. doi: 10.1097/00000658-200002000-00001.Ann Surg. 2000.PMID: 10674604Free PMC article.Clinical Trial.
Sung JJ, Lin SR, Ching JY, Zhou LY, To KF, Wang RT, Leung WK, Ng EK, Lau JY, Lee YT, Yeung CK, Chao W, Chung SC.Sung JJ, et al. Among authors: to kf.Gastroenterology. 2000 Jul;119(1):7-14. doi: 10.1053/gast.2000.8550.Gastroenterology. 2000.PMID: 10889149Clinical Trial.
Leung WK, To KF, Ng YP, Lee TL, Lau JY, Chan FK, Ng EK, Chung SC, Sung JJ.Leung WK, et al. Among authors: to kf.Br J Cancer. 2001 Feb 2;84(3):335-9. doi: 10.1054/bjoc.2000.1607.Br J Cancer. 2001.PMID: 11161397Free PMC article.
Tong JH, To KF, Ng EK, Lau JY, Lee TL, Lo KW, Leung WK, Tang NL, Chan FK, Sung JJ, Chung SC.Tong JH, et al. Among authors: to kf.Cancer Lett. 2001 Feb 10;163(1):125-30. doi: 10.1016/s0304-3835(00)00681-9.Cancer Lett. 2001.PMID: 11163116