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Journal of Vision. 2008; 8(6):984. https://doi.org/10.1167/8.6.984
Journal of Vision. 2006; 6(6):1101. https://doi.org/10.1167/6.6.1101
Journal of Vision. 2003; 3(9):730. https://doi.org/10.1167/3.9.730
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