Hucke, Erica, and Luciano Felicio. “Effects of Prolactin on in Vivo Striatal Monoaminergic Activity Are Modulated by a Previous Reproductive Experience”. Brazilian Journal of Veterinary Research and Animal Science 44, no. supl. (December 3, 2007): 71-80. Accessed December 11, 2019. http://www.revistas.usp.br/bjvras/article/view/26593.