title: The effect of progesterone on serum luteinizing hormone concentrations in the ewe.
mesh_terms: D000818:Animals; D002369:Castration; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood*; D010053:Ovary; D011374:Progesterone / Q000494:pharmacology*; D012756:Sheep
chemical_list: D011374:Progesterone; D007986:Luteinizing Hormone