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Xu, Xiangmin, Christine E. Collins, Peter M. Kaskan, Ilya Khaytin, Jon H. Kaas, och Vivien A. Casagrande. Optical Imaging of Visually Evoked Responses in Prosimian Primates Reveals Conserved Features of the Middle Temporal Visual Area. National Academy of Sciences, 2004.

Xu, Xiangmin, et al. Optical Imaging of Visually Evoked Responses in Prosimian Primates Reveals Conserved Features of the Middle Temporal Visual Area. National Academy of Sciences, 2004.