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Xue ML, Wakefield D, Willcox MD, Lloyd AR, Di Girolamo N, Cole N, Thakur A.Xue ML, et al. Among authors: willcox md.Invest Ophthalmol Vis Sci. 2003 May;44(5):2020-5. doi: 10.1167/iovs.02-0565.Invest Ophthalmol Vis Sci. 2003.PMID: 12714639
Hume EB, Cole N, Parmar A, Tan ME, Aliwarga Y, Schubert T, Holden BA, Willcox MD.Hume EB, et al. Among authors: willcox md.Invest Ophthalmol Vis Sci. 2004 Sep;45(9):3161-4. doi: 10.1167/iovs.03-1242.Invest Ophthalmol Vis Sci. 2004.PMID: 15326135