title: Changes in the concentration of unconjugated oestrone, oestradiol-17alpha and oestradiol-17beta in the maternal plasma of the pregnant cow in relation to the initiation of parturition and lactation.
mesh_terms: D000818:Animals; D002417:Cattle; D004958:Estradiol / Q000097:blood*; D004970:Estrone / Q000097:blood*; D005260:Female; D005333:Fetus; D005865:Gestational Age; D007743:Labor, Obstetric; D007774:Lactation; D011247:Pregnancy; D011270:Pregnancy, Animal; D012737:Sex Factors; D013997:Time Factors
chemical_list: D004970:Estrone; D004958:Estradiol