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Gardner TW, Lieth E, Khin SA, Barber AJ, Bonsall DJ, Lesher T, Rice K, Brennan WA Jr.Gardner TW, et al. Among authors: barber aj.Invest Ophthalmol Vis Sci. 1997 Oct;38(11):2423-7.Invest Ophthalmol Vis Sci. 1997.PMID: 9344364
Antonetti DA, Barber AJ, Khin S, Lieth E, Tarbell JM, Gardner TW.Antonetti DA, et al. Among authors: barber aj.Diabetes. 1998 Dec;47(12):1953-9. doi: 10.2337/diabetes.47.12.1953.Diabetes. 1998.PMID: 9836530
Antonetti DA, Lieth E, Barber AJ, Gardner TW.Antonetti DA, et al. Among authors: barber aj.Semin Ophthalmol. 1999 Dec;14(4):240-8. doi: 10.3109/08820539909069543.Semin Ophthalmol. 1999.PMID: 10758225Review.
Lieth E, Gardner TW, Barber AJ, Antonetti DA; Penn State Retina Research Group.Lieth E, et al. Among authors: barber aj.Clin Exp Ophthalmol. 2000 Feb;28(1):3-8. doi: 10.1046/j.1442-9071.2000.00222.x.Clin Exp Ophthalmol. 2000.PMID: 11345341Review.