[Feto-placental unit and estriol].
D004964:Estriol / Q000378:metabolism*; D004967:Estrogens / Q000378:metabolism; D005260:Female; D005333:Fetus / Q000201:enzymology / Q000378:metabolism*; D006801:Humans; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy
D004967:Estrogens; D004964:Estriol