CT vs ultrasound for a look at infants' heads.
D000367:Age Factors; D002552:Cerebral Ventricles / Q000033:anatomy & histology; D006801:Humans; D006849:Hydrocephalus / Q000175:diagnosis* / Q000000981:diagnostic imaging; D007223:Infant; D007231:Infant, Newborn; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography