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Liu, Xiao, Toru Yanagawa, David A. Leopold, Catie Chang, Hiroaki Ishida, Naotaka Fujii, και Jeff H. Duyn. "Arousal Transitions in Sleep, Wakefulness, and Anesthesia Are Characterized By an Orderly Sequence of Cortical Events." Neuroimage 2015.

Liu, Xiao, et al. "Arousal Transitions in Sleep, Wakefulness, and Anesthesia Are Characterized By an Orderly Sequence of Cortical Events." Neuroimage 2015.