title: Plasma estrogen levels during delayed implantation in the European badger (Meles meles L.).
mesh_terms: D000818:Animals; D002335:Carnivora / Q000097:blood / Q000502:physiology*; D010064:Embryo Implantation; D010065:Embryo Implantation, Delayed; D004958:Estradiol / Q000097:blood*; D004970:Estrone / Q000097:blood*; D005260:Female; D011247:Pregnancy; D011863:Radioimmunoassay; D012621:Seasons
chemical_list: D004970:Estrone; D004958:Estradiol