Takasu, N. ., Pendergast, J. ., Olivas, C. ., Yamazaki, S. ., & Nakamura, W. . In vivo monitoring of multi-unit neural activity in the suprachiasmatic nucleus reveals robust circadian rhythms in Period1⁻/⁻ mice. PloS One, 8(5), e64333. https://doi.org/10.1371/journal.pone.0064333 (Original work published 2013)

Pendergast, J. ., Nakamura, W. ., Friday, R. ., Hatanaka, F. ., Takumi, T. ., & Yamazaki, S. . Robust food anticipatory activity in BMAL1-deficient mice. PloS One, 4(3), e4860. https://doi.org/10.1371/journal.pone.0004860 (Original work published 2009)

Mistlberger, R. ., Yamazaki, S. ., Pendergast, J. ., Landry, G. ., Takumi, T. ., & Nakamura, W. . (2008). Comment on "Differential rescue of light- and food-entrainable circadian rhythms". Science (New York, N.Y.), 322(5902), 675; author reply 675. https://doi.org/10.1126/science.1161387 (Original work published 2008)