Oster, H., Damerow, S., Hut, R. A., & Eichele, G. (2006). Transcriptional profiling in the adrenal gland reveals circadian regulation of hormone biosynthesis genes and nucleosome assembly genes. Journal of Biological Rhythms, 21(5), 350-361. Retrieved from http://jbr.sagepub.com/cgi/reprint/21/5/350.