title: Peripheral steroid hormone levels and nitrogen retention in the gilt from prepuberty to parturition.
mesh_terms: D000818:Animals; D004958:Estradiol / Q000097:blood*; D005260:Female; D007743:Labor, Obstetric; D007774:Lactation; D009584:Nitrogen / Q000378:metabolism*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000097:blood*; D011506:Proteins / Q000378:metabolism; D013552:Swine
chemical_list: D011506:Proteins; D011374:Progesterone; D004958:Estradiol; D009584:Nitrogen