Santollo, J. ., Yao, D. ., Neal-Perry, G. ., & Etgen, A. . (2012). Middle-aged female rats retain sensitivity to the anorexigenic effect of exogenous estradiol. Behavioural Brain Research, 232(1), 159-64. https://doi.org/10.1016/j.bbr.2012.04.010 (Original work published 2012)