Effect of Serotonin Depletion by p-Chlorophenylalanine on Serum Prolactin Levels in Estrogen-Treated Ovariectomized Rats: Insights Concerning the Serotoninergic, Dopaminergic and Opioid Systems - Mallmann, E S; Ribeiro, M F M; Spritzer, P M (Hormone and Metabolic Research, 2001)