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Fan DS, Lam DS, Lam RF, Lau JT, Chong KS, Cheung EY, Lai RY, Chew SJ.Fan DS, et al. Among authors: cheung ey.Invest Ophthalmol Vis Sci. 2004 Apr;45(4):1071-5. doi: 10.1167/iovs.03-1151.Invest Ophthalmol Vis Sci. 2004.PMID: 15037570
Lam DS, Leung DY, Chiu TY, Fan DS, Cheung EY, Wong TY, Lai JS, Tham CC.Lam DS, et al. Among authors: cheung ey.Invest Ophthalmol Vis Sci. 2004 Sep;45(9):3131-6. doi: 10.1167/iovs.04-0115.Invest Ophthalmol Vis Sci. 2004.PMID: 15326131Clinical Trial.
Lam DS, Fan DS, Lam RF, Rao SK, Chong KS, Lau JT, Lai RY, Cheung EY.Lam DS, et al. Among authors: cheung ey.Invest Ophthalmol Vis Sci. 2008 Mar;49(3):873-6. doi: 10.1167/iovs.06-1097.Invest Ophthalmol Vis Sci. 2008.PMID: 18326705