"Top of the Basilar"Artery Stroke in an Adolescent with Down's Syndrome
Arch Neurol 42:296, Baram,T.Z.,et al, 1985
Degenerative Diseases of the Nervous System, Alzheimer Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1063, Ropper, A.H.,et al, 2014