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.
Liu Y, Congdon NG, Fan H, Zhao X, Choi K, Lam DS.Liu Y, et al. Among authors: congdon ng.Ophthalmology. 2007 Nov;114(11):e47-52. doi: 10.1016/j.ophtha.2007.07.013.Ophthalmology. 2007.PMID: 17980740
He M, Chan V, Baruwa E, Gilbert D, Frick KD, Congdon N.He M, et al.Ophthalmology. 2007 Mar;114(3):411-6. doi: 10.1016/j.ophtha.2006.09.012. Epub 2007 Jan 2.Ophthalmology. 2007.PMID: 17197026
Li L, Song Y, Liu X, Lu B, Choi K, Lam DS, Zhang M, Zheng M, Wang Y, Sharma A, Congdon N.Li L, et al.Invest Ophthalmol Vis Sci. 2008 Jul;49(7):2895-902. doi: 10.1167/iovs.07-1531. Epub 2008 Jan 25.Invest Ophthalmol Vis Sci. 2008.PMID: 18223245
Song Y, Congdon N, Li L, Zhou Z, Choi K, Lam DS, Pang CP, Xie Z, Liu X, Sharma A, Chen W, Zhang M.Song Y, et al.Am J Ophthalmol. 2008 May;145(5):819-26. doi: 10.1016/j.ajo.2007.12.034. Epub 2008 Mar 10.Am J Ophthalmol. 2008.PMID: 18328999