title: Differing effects of comparable serum testosterone concentration on gonadotropin secretion in pre- and postpuberal orchidectomized rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D002369:Castration; D004305:Dose-Response Relationship, Drug; D005640:Follicle Stimulating Hormone / Q000097:blood*; D007030:Hypothalamo-Hypophyseal System / Q000187:drug effects; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D051381:Rats; D013739:Testosterone / Q000097:blood / Q000494:pharmacology*
chemical_list: D013739:Testosterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone