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Wallis SA, Baker DH, Meese TS, Georgeson MA.Wallis SA, et al. Among authors: georgeson ma.Vision Res. 2013 Jan 14;76:1-10. doi: 10.1016/j.visres.2012.09.019. Epub 2012 Oct 4.Vision Res. 2013.PMID: 23041562Free article.