title: Effect of testosterone and estradiol-17 beta alone and in combination on LH and FSH concentrations in blood serum and pituitary of geldings and in serum after administration of GnRH.
mesh_terms: D000818:Animals; D002369:Castration; D004958:Estradiol / Q000494:pharmacology*; D005640:Follicle Stimulating Hormone / Q000097:blood / Q000378:metabolism*; D007987:Gonadotropin-Releasing Hormone / Q000494:pharmacology*; D006736:Horses / Q000378:metabolism*; D007700:Kinetics; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D008297:Male; D010902:Pituitary Gland / Q000187:drug effects / Q000378:metabolism*; D013739:Testosterone / Q000494:pharmacology*
chemical_list: D007987:Gonadotropin-Releasing Hormone; D013739:Testosterone; D004958:Estradiol; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone