Steroid plasma levels about oestrus in the beef cow.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D004958:Estradiol / Q000097:blood*; D004970:Estrone / Q000097:blood*; D004971:Estrus; D005260:Female; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D011485:Protein Binding; D011863:Radioimmunoassay
D004970:Estrone; D011374:Progesterone; D004958:Estradiol