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.
Chan KW, Chan TM, Cheng IK.Chan KW, et al. Among authors: cheng ik.Hong Kong Med J. 1999 Sep;5(3):240-244.Hong Kong Med J. 1999.PMID: 11828062Free article.
Tang S, Cheng IK, Leung VK, Kuok UI, Tang AW, Wing Ho Y, Neng Lai K, Mao Chan T.Tang S, et al. Among authors: cheng ik.J Hepatol. 2003 Nov;39(5):875-8. doi: 10.1016/s0168-8278(03)00358-1.J Hepatol. 2003.PMID: 14568274