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.
Cheung CY, Li J, Yuan N, Lau GYL, Chan AYF, Lam A, Tang FY, Tham CC, Pang CP, Chen LJ, Yam JC.Cheung CY, et al.Br J Ophthalmol. 2018 Jun 28:bjophthalmol-2018-312413. doi: 10.1136/bjophthalmol-2018-312413. Online ahead of print.Br J Ophthalmol. 2018.PMID: 29954785
Leung CK, Cheung CY, Weinreb RN, Qiu Q, Liu S, Li H, Xu G, Fan N, Huang L, Pang CP, Lam DS.Leung CK, et al. Among authors: cheung cy.Ophthalmology. 2009 Jul;116(7):1257-63, 1263.e1-2. doi: 10.1016/j.ophtha.2009.04.013. Epub 2009 May 22.Ophthalmology. 2009.PMID: 19464061
Leung CK, Cheung CY, Weinreb RN, Qiu K, Liu S, Li H, Xu G, Fan N, Pang CP, Tse KK, Lam DS.Leung CK, et al. Among authors: cheung cy.Invest Ophthalmol Vis Sci. 2010 Jan;51(1):217-22. doi: 10.1167/iovs.09-3468. Epub 2009 Aug 13.Invest Ophthalmol Vis Sci. 2010.PMID: 19684001