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Journal of Vision. 2008; 8(6):1172. https://doi.org/10.1167/8.6.1172
Journal of Vision. 2007; 7(9):852. https://doi.org/10.1167/7.9.852
Journal of Vision. 2006; 6(6):34. https://doi.org/10.1167/6.6.34
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