Atlas-dens interval (ADI) in children: a survey based on 200 normal cervical spines.
D001368:Axis, Cervical Vertebra / Q000033:anatomy & histology*; D001270:Cervical Atlas / Q000033:anatomy & histology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D011859:Radiography