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Cho P, Cheung SW.Cho P, et al. Among authors: cheung sw.Invest Ophthalmol Vis Sci. 2012 Oct 11;53(11):7077-85. doi: 10.1167/iovs.12-10565.Invest Ophthalmol Vis Sci. 2012.PMID: 22969068Clinical Trial.
Chen C, Cheung SW, Cho P.Chen C, et al. Among authors: cheung sw.Invest Ophthalmol Vis Sci. 2013 Oct 3;54(10):6510-7. doi: 10.1167/iovs.13-12527.Invest Ophthalmol Vis Sci. 2013.PMID: 24003088Clinical Trial.