Symptomatic Atlantoaxial Dislocation in Down's Syndrome
Ann Neurol 21:606-609, Chaudhry,V.,et al, 1987
Myoclonus in Down's Syndrome
Arch Neurol 38:453-454, Blumbergs,P.,et al, 1981
Atlanto-Axial Instability in Children with Down Syndrome
Pediat Radiol 10:129-132, Pueschel,S.M.,et al, 1981