[Ultrasound and prenatal growth of the cranio-facial skeleton].
D002508:Cephalometry; D005147:Facial Bones / Q000196:embryology*; D005865:Gestational Age; D006801:Humans; D012886:Skull / Q000196:embryology; D014463:Ultrasonography
Ecografia e crescita prenatale dello scheletro cranio-facciale.