[Echography in obstetrics].
D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006801:Humans; D007746:Labor Presentation; D010920:Placenta; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011296:Prenatal Diagnosis; D014463:Ultrasonography
L'échographie en obstétrique.