title: Differential threshold of progesterone required for maintenance of diestrus smear, pseudopregnancy and pregnancy in rats.
mesh_terms: D000818:Animals; D004958:Estradiol / Q000097:blood / Q000378:metabolism / Q000494:pharmacology; D004971:Estrus; D005260:Female; D007962:Leukocytes / Q000378:metabolism; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000097:blood / Q000378:metabolism / Q000502:physiology*; D011555:Pseudopregnancy; D051381:Rats
chemical_list: D011374:Progesterone; D004958:Estradiol