Owls Eye Sign
Neurol 84:1500, Kumar, S.,et al, 2015
Atypical Form of Amyotrophic Lateral Sclerosis
JNNP 66:581-585, Sasaki,S.&Iwata,M., 1999
Flail Arm Syndrome: A Distinctive Variant of Amyotrophic Lateral Sclerosis
JNNP 65:950-951, Hu, M.T.M.,et al, 1998