Neuropeptide Y administered chronically into the lateral ventricle profoundly inhibits both the gonadotropic and the somatotropic axis in intact adult female rats. - Catzeflis,C.; Pierroz,D.D.; Rohner-Jeanrenaud,F.; Rivier,J.E.; Sizonenko,P.C.; Aubert,M.L. (Endocrinology, 1993)