title: Peripheral levels of estrogen in the cyclic hamster.
mesh_terms: D000818:Animals; D002369:Castration; D002940:Circadian Rhythm; D006224:Cricetinae; D004958:Estradiol / Q000097:blood*; D004970:Estrone / Q000097:blood*; D004971:Estrus; D005260:Female; D007016:Hypophysectomy; D007986:Luteinizing Hormone / Q000494:pharmacology; D010053:Ovary / Q000502:physiology; D010634:Phenobarbital / Q000494:pharmacology; D010902:Pituitary Gland / Q000502:physiology; D011247:Pregnancy; D014316:Tritium
chemical_list: D014316:Tritium; D004970:Estrone; D004958:Estradiol; D007986:Luteinizing Hormone; D010634:Phenobarbital