title: Minimum daily dose of progesterone and plasma concentration for maintenance of pregnancy in ovariectomized gilts.
mesh_terms: D000818:Animals; D002369:Castration; D004958:Estradiol / Q000008:administration & dosage*; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects*; D011374:Progesterone / Q000008:administration & dosage* / Q000097:blood; D012826:Silicone Elastomers; D013552:Swine; D014316:Tritium
chemical_list: D012826:Silicone Elastomers; D014316:Tritium; D011374:Progesterone; D004958:Estradiol