Wang, G. ., Harpole, C. ., Trivedi, A. ., & Cassone, V. . (2012). Circadian regulation of bird song, call, and locomotor behavior by pineal melatonin in the zebra finch. Journal of Biological Rhythms, 27(2), 145-55. https://doi.org/10.1177/0748730411435965

Esser, K. ., Harpole, C. ., Prins, G. ., & Diamond, A. . (2009). Physical activity reduces prostate carcinogenesis in a transgenic model. The Prostate, 69(13), 1372-7. https://doi.org/10.1002/pros.20987 (Original work published 2009)

Wang, G. ., Harpole, C. ., Paulose, J. ., & Cassone, V. . (2014). The role of the pineal gland in the photoperiodic control of bird song frequency and repertoire in the house sparrow, Passer domesticus. Hormones and Behavior, 65(4), 372-9. https://doi.org/10.1016/j.yhbeh.2014.02.008

Harpole, C. ., Miles, M. ., & Cassone, V. . (2020). Melatonin duration gates photoperiodic vocal state change in a songbird. Journal of Pineal Research, 68(2), e12625. https://doi.org/10.1111/jpi.12625

Harpole, C. ., & Cassone, V. . (2021). Context and novelty increase strength of auditory cues as a weak circadian zeitgeber in songbirds. Chronobiology International, 38(7), 1042-1051. https://doi.org/10.1080/07420528.2021.1903484