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Egbert JE, Wright MM, Dahlhauser KF, Keithahn MA, Letson RD, Summers CG.Egbert JE, et al. Among authors: summers cg.Ophthalmology. 1995 Jul;102(7):1098-101. doi: 10.1016/s0161-6420(95)30906-2.Ophthalmology. 1995.PMID: 9121758