title: The effect of exogenous progestagen on the levels of free oestrogen in the ovarian vein plasma of the ewe.
mesh_terms: D000818:Animals; D004958:Estradiol / Q000096:biosynthesis / Q000097:blood*; D004970:Estrone / Q000096:biosynthesis / Q000097:blood*; D004971:Estrus; D005260:Female; D005461:Fluorine / Q000494:pharmacology; D003425:Flurogestone Acetate / Q000494:pharmacology; D010053:Ovary / Q000098:blood supply; D011247:Pregnancy; D011278:Pregnanes / Q000494:pharmacology*; D012039:Regional Blood Flow; D012756:Sheep; D014680:Veins
chemical_list: D011278:Pregnanes; D005461:Fluorine; D004970:Estrone; D004958:Estradiol; D003425:Flurogestone Acetate