Atlantoaxial Instability in Down Syndrome:Roentgenographic, Neurologic, & Somatosensory Evoked Potential Studies
J Pediatr 110:515-521, Pueschel,S.M.,et al, 1987
"Top of the Basilar"Artery Stroke in an Adolescent with Down's Syndrome
Arch Neurol 42:296, Baram,T.Z.,et al, 1985