Estrogens in the peripheral plasma of cows during normal and prolonged gestations.
D000818:Animals; D002417:Cattle; D004958:Estradiol / Q000097:blood*; D004970:Estrone / Q000097:blood*; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D011273:Pregnancy, Prolonged
D004970:Estrone; D004958:Estradiol