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Journal of Vision. 2013; 13(9):343. https://doi.org/10.1167/13.9.343
Journal of Vision. 2009; 9(8):1176. https://doi.org/10.1167/9.8.1176
Journal of Vision. 2008; 8(6):1074. https://doi.org/10.1167/8.6.1074
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