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Bitting, L. ., Watson, F. ., O’Hara, B. ., Kilduff, T. ., & Heller, H. . (1999). HSP70 expression is increased during the day in a diurnal animal, the golden-mantled ground squirrel Spermophilus lateralis. Molecular and Cellular Biochemistry, 199(1-2), 25-34. https://doi.org/10.1023/a:1006942814185

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. ., Macdonald, E. ., Clegg, D. ., Wiler, S. ., Andretic, R. ., Cao, V. ., … Kilduff, T. . (1999). Developmental changes in nicotinic receptor mRNAs and responses to nicotine in the suprachiasmatic nucleus and other brain regions. Brain Research. Molecular Brain Research, 66(1-2), 71-82. https://doi.org/10.1016/s0169-328x(99)00004-2 (Original work published 1999)

Kilduff, T. ., Vugrinic, C. ., Lee, S. ., Milbrandt, J. ., Mikkelsen, J. ., O’Hara, B. ., & Heller, H. . (1998). Characterization of the circadian system of NGFI-A and NGFI-A/NGFI-B deficient mice. Journal of Biological Rhythms, 13(4), 347-57. https://doi.org/10.1177/074873098129000174

O’Hara, B. ., Edgar, D. ., Cao, V. ., Wiler, S. ., Heller, H. ., Kilduff, T. ., & Miller, J. . (1998). Nicotine and nicotinic receptors in the circadian system. Psychoneuroendocrinology, 23(2), 161-73. https://doi.org/10.1016/s0306-4530(97)00077-2

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

Welch, S. ., O’Hara, B. ., Kilduff, T. ., & Heller, H. . (1995). Sequence and tissue distribution of a candidate G-coupled receptor cloned from rat hypothalamus. Biochemical and Biophysical Research Communications, 209(2), 606-13. https://doi.org/10.1006/bbrc.1995.1543 (Original work published 1995)

O’Hara, B. ., Andretic, R. ., Heller, H. ., Carter, D. ., & Kilduff, T. . (1995). GABAA, GABAC, and NMDA receptor subunit expression in the suprachiasmatic nucleus and other brain regions. Brain Research. Molecular Brain Research, 28(2), 239-50. https://doi.org/10.1016/0169-328x(94)00212-w

Clegg, D. ., O’Hara, B. ., Heller, H. ., & Kilduff, T. . (1995). Nicotine administration differentially affects gene expression in the maternal and fetal circadian clock. Brain Research. Developmental Brain Research, 84(1), 46-54. https://doi.org/10.1016/0165-3806(94)00152-p (Original work published 1995)