Grey scale ultrasonography of neonatal abdominal masses.
D000005:Abdomen; D003560:Cysts / Q000175:diagnosis; D005260:Female; D005836:Genitalia, Female / Q000002:abnormalities; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D007690:Polycystic Kidney Diseases / Q000151:congenital / Q000175:diagnosis; D014463:Ultrasonography