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Li T, Howland HC.Li T, et al.Invest Ophthalmol Vis Sci. 2006 Nov;47(11):5132-6. doi: 10.1167/iovs.05-0671.Invest Ophthalmol Vis Sci. 2006.PMID: 17065535
Troilo D, Li T, Glasser A, Howland HC.Troilo D, et al. Among authors: li t.Vision Res. 1995 May;35(9):1211-6. doi: 10.1016/0042-6989(94)00230-j.Vision Res. 1995.PMID: 7610582Free article.
Li T, Howland HC.Li T, et al.Invest Ophthalmol Vis Sci. 2003 Aug;44(8):3692-7. doi: 10.1167/iovs.02-0990.Invest Ophthalmol Vis Sci. 2003.PMID: 12882825