Index of placental function by endocrine assay and its clinical application in obstetrical practice.
D045166:Estradiol Congeners; D004967:Estrogens; D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D009774:Obstetrics; D011247:Pregnancy
D045166:Estradiol Congeners; D004967:Estrogens
ESTROGENS; MATERNAL-FETAL EXCHANGE