[Editorial: Ultrasonics as diagnostic aid in obstetrics].
D005260:Female; D005333:Fetus; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011272:Pregnancy, Multiple; D011296:Prenatal Diagnosis; D014463:Ultrasonography
Ultralyd som diagnostisk hjelpemiddel i obstetrikken