title: Pneumoencephalographic studies of the development of the brain stem and skull base in childhood.
mesh_terms: D000293:Adolescent; D001933:Brain Stem / Q000254:growth & development*; D002552:Cerebral Ventricles / Q000254:growth & development; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011011:Pneumoencephalography; D012886:Skull / Q000254:growth & development*