title: Free and conjugated steroid estrogen fractions of hens' urine.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002645:Chickens / Q000378:metabolism*; D002855:Chromatography, Thin Layer; D004958:Estradiol / Q000652:urine; D004967:Estrogens / Q000378:metabolism*; D004966:Estrogens, Conjugated (USP) / Q000378:metabolism*; D004970:Estrone / Q000652:urine; D005260:Female
chemical_list: D002247:Carbon Isotopes; D004967:Estrogens; D004966:Estrogens, Conjugated (USP); D004970:Estrone; D004958:Estradiol