Santollo, J., Yao, D., Neal-Perry, G., & Etgen, A. M. (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)