TY - RPRT TI - Age-related decrease in hypothalamic gonadotropin-releasing hormone (GnRH) gene expression, but not pituitary responsiveness to GnRH, in the male Brown Norway rat. AU - D A Gruenewald AU - M A Naai AU - B T Marck AU - A M Matsumoto UR - https://pubmed.ncbi.nlm.nih.gov/10670522/ ID - 10670522 ER -