title: Plasma estrogens in pregnant and postpartum mares.
mesh_terms: D000818:Animals; D000906:Antibodies; D003429:Cross Reactions; D004958:Estradiol / Q000097:blood; D004967:Estrogens / Q000097:blood*; D004970:Estrone / Q000097:blood; D004971:Estrus; D005260:Female; D006736:Horses / Q000502:physiology*; D049590:Postpartum Period; D011247:Pregnancy; D011270:Pregnancy, Animal; D011863:Radioimmunoassay; D012756:Sheep / Q000276:immunology; D013997:Time Factors; D014316:Tritium
chemical_list: D000906:Antibodies; D004967:Estrogens; D014316:Tritium; D004970:Estrone; D004958:Estradiol