Plasma estradiol in Holstein and beef cows during the periparturient period.
D000818:Animals; D002417:Cattle / Q000097:blood*; D004958:Estradiol / Q000097:blood*; D005260:Female; D007743:Labor, Obstetric; D049590:Postpartum Period; D011247:Pregnancy; D011270:Pregnancy, Animal; D011863:Radioimmunoassay; D012098:Reproduction; D013045:Species Specificity; D013997:Time Factors
D004958:Estradiol