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Cheung CY, Chen D, Wong TY, Tham YC, Wu R, Zheng Y, Cheng CY, Saw SM, Baskaran M, Leung CK, Aung T.Cheung CY, et al. Among authors: leung ck.Invest Ophthalmol Vis Sci. 2011 Dec 20;52(13):9629-35. doi: 10.1167/iovs.11-7481.Invest Ophthalmol Vis Sci. 2011.PMID: 22039236
Leung CK, Lam S, Weinreb RN, Liu S, Ye C, Liu L, He J, Lai GW, Li T, Lam DS.Leung CK, et al.Ophthalmology. 2010 Sep;117(9):1684-91. doi: 10.1016/j.ophtha.2010.01.026. Epub 2010 Jul 21.Ophthalmology. 2010.PMID: 20663563