Regulation of Hypothalamic Gonadotropin-Releasing Hormone and Neuropeptide Y Concentrations by Progesterone and Corticosteroids in Immature Rats: Correlation with Luteinizing Hormone and Follicle-Stimulating Hormone ReleaseDarrell W. Brann, Virendra B. Mahesh, John K. McDonald et al.|Neuroendocrinology|2008Cited by 31