Oestrogen-Independent Circadian Clock Gene Expression in the Anteroventral Periventricular Nucleus in Female Rats: Possible Role as an Integrator for Circadian and Ovarian Signals Timing the Luteinising Hormone Surge, de la Iglesia H O, Smarr B L, and Gile J J, Journal of Neuroendocrinology, 12/2013, Volume 25, Issue 12, p.1273 - 1279 (2013)