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Klein SA, Levi DM.Klein SA, et al.J Opt Soc Am A Opt Image Sci Vis. 2009 Nov;26(11):B110-26. doi: 10.1364/JOSAA.26.00B110.J Opt Soc Am A Opt Image Sci Vis. 2009.PMID: 19884912Free PMC article.
Levi DM, Klein SA.Levi DM, et al. Among authors: klein sa.J Neurosci. 2003 Apr 1;23(7):2522-6. doi: 10.1523/JNEUROSCI.23-07-02522.2003.J Neurosci. 2003.PMID: 12684436Free PMC article.
Yu C, Klein SA, Levi DM.Yu C, et al. Among authors: klein sa.J Vis. 2004 Mar 17;4(3):169-82. doi: 10.1167/4.3.4.J Vis. 2004.PMID: 15086307Free article.
Levi DM, Li RW, Klein SA.Levi DM, et al. Among authors: klein sa.Vision Res. 2005 Jun;45(14):1793-805. doi: 10.1016/j.visres.2005.01.021.Vision Res. 2005.PMID: 15797769Free article.
Levi DM, Klein SA, Chen I.Levi DM, et al. Among authors: klein sa.Vision Res. 2005 Jun;45(14):1835-46. doi: 10.1016/j.visres.2005.01.020.Vision Res. 2005.PMID: 15797773Free article.
Li RW, Klein SA, Levi DM.Li RW, et al. Among authors: klein sa.J Vis. 2006 Feb 22;6(4):311-21. doi: 10.1167/6.4.2.J Vis. 2006.PMID: 16889471Free article.
Levi DM, Klein SA, Chen I.Levi DM, et al. Among authors: klein sa.Vision Res. 2007 Sep;47(19):2531-42. doi: 10.1016/j.visres.2007.06.014. Epub 2007 Aug 13.Vision Res. 2007.PMID: 17697689Free PMC article.
Levi DM, Klein SA, Chen I.Levi DM, et al. Among authors: klein sa.J Vis. 2008 Apr 4;8(4):1.1-23. doi: 10.1167/8.4.1.J Vis. 2008.PMID: 18484840Free article.