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Kwok AK, Tham CC, Loo AV, Fan DS, Lam DS.Kwok AK, et al. Among authors: loo av.Am J Ophthalmol. 2001 Aug;132(2):172-7. doi: 10.1016/s0002-9394(01)00973-4.Am J Ophthalmol. 2001.PMID: 11476675
Lai JS, Loo A, Tham CC, Ho SY, Lam DS.Lai JS, et al.J Cataract Refract Surg. 2001 Nov;27(11):1792-5. doi: 10.1016/s0886-3350(01)00902-6.J Cataract Refract Surg. 2001.PMID: 11709253Clinical Trial.