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Efron S, Efron N, Morgan PB.Efron S, et al.Optom Vis Sci. 2008 Mar;85(3):201-10. doi: 10.1097/OPX.0b013e318165100a.Optom Vis Sci. 2008.PMID: 18317336Clinical Trial.
Morgan PB, Efron SE, Efron N, Hill EA.Morgan PB, et al. Among authors: efron se.Optom Vis Sci. 2005 Sep;82(9):823-8. doi: 10.1097/01.opx.0000177792.62460.58.Optom Vis Sci. 2005.PMID: 16189492Clinical Trial.
Morgan PB, Efron N, Maldonado-Codina C, Efron S.Morgan PB, et al. Among authors: efron n, efron s.Optom Vis Sci. 2005 Jun;82(6):528-35. doi: 10.1097/01.opx.0000168588.63897.0f.Optom Vis Sci. 2005.PMID: 15976591
Maldonado-Codina C, Morgan PB, Efron N, Efron S.Maldonado-Codina C, et al. Among authors: efron n, efron s.Optom Vis Sci. 2005 Jun;82(6):536-48. doi: 10.1097/00006324-200506000-00018.Optom Vis Sci. 2005.PMID: 15976592Clinical Trial.
Efron N, Efron SE, Morgan PB, Morgan SL.Efron N, et al. Among authors: efron se.Clin Exp Optom. 2010 Jul;93(4):253-60. doi: 10.1111/j.1444-0938.2010.00488.x.Clin Exp Optom. 2010.PMID: 20597911Free article.
Efron SE, Efron N, Morgan PB, Morgan SL.Efron SE, et al.Cont Lens Anterior Eye. 2012 Feb;35(1):28-34. doi: 10.1016/j.clae.2011.07.006. Epub 2011 Sep 3.Cont Lens Anterior Eye. 2012.PMID: 21893426
Young G, Schnider C, Hunt C, Efron S.Young G, et al. Among authors: efron s.Optom Vis Sci. 2010 May;87(5):358-66. doi: 10.1097/OPX.0b013e3181d9519b.Optom Vis Sci. 2010.PMID: 20386354