title: Oestrogenic activity in sow plasma during pregnancy.
mesh_terms: D000818:Animals; D004967:Estrogens / Q000097:blood*; D004970:Estrone / Q000097:blood; D005260:Female; D008722:Methods; D011247:Pregnancy / Q000502:physiology*; D013552:Swine
chemical_list: D004967:Estrogens; D004970:Estrone