[Current developments in obstetrics. 1].
D000653:Amniotic Fluid / Q000032:analysis; D004967:Estrogens / Q000652:urine; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005333:Fetus / Q000000981:diagnostic imaging; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011859:Radiography; D014463:Ultrasonography
D004967:Estrogens
Nieuwe ontwikkelingen in de verloskunde. (I).