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Journal of Vision. 2011; 11(9):17. https://doi.org/10.1167/11.9.17
Journal of Vision. 2010; 10(7):686. https://doi.org/10.1167/10.7.686
Journal of Vision. 2008; 8(6):1142. https://doi.org/10.1167/8.6.1142
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