Vgl. (Yamaguchi et al. 2003)
Yamaguchi, Shun, Hiromi Isejima, Takuya Matsuo, Ryusuke Okura, Kazuhiro Yagita, Masaki Kobayashi, and Hitoshi Okamura. 2003. “Synchronization of Cellular Clocks in the Suprachiasmatic Nucleus.” Science 302 (5649): 1408–12.