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O’Hara, B., Watson, F., Srere, H., Kumar, H., Wiler, S., Welch, S., … Kilduff, T. (1999). Gene expression in the brain across the hibernation cycle. The Journal of Neuroscience : The Official Journal of the Society for Neuroscience, 19(10), 3781-90. Retrieved from http://www.jneurosci.org/cgi/pmidlookup?view=long&pmid=10234010 (Original work published 1999)

O’Hara, B., Watson, F., Andretic, R., Wiler, S., Young, K., Bitting, L., … Kilduff, T. (1997). Daily variation of CNS gene expression in nocturnal vs. diurnal rodents and in the developing rat brain. Brain Research. Molecular Brain Research, 48(1), 73-86. https://doi.org/10.1016/s0169-328x(97)00084-3

Bitting, L., Sutin, E., Watson, F., Leard, L., O’Hara, B., Heller, H., & Kilduff, T. (1994). C-fos mRNA increases in the ground squirrel suprachiasmatic nucleus during arousal from hibernation. Neuroscience Letters, 165(1-2), 117-21. https://doi.org/10.1016/0304-3940(94)90723-4 (Original work published 1994)