title: Sonar--further scope and prospects.
mesh_terms: D002508:Cephalometry; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006406:Hematoma / Q000175:diagnosis; D006696:Holography; D006801:Humans; D009214:Myoma / Q000175:diagnosis; D010920:Placenta; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D014463:Ultrasonography; D014594:Uterine Neoplasms / Q000175:diagnosis