Early or Late Appearance of "Dropped Head Syndrome" in Amyotropic Lateral Sclerosis
JNNP 74:683-686, Gourie-Devi,M.,et al, 2003
Adult-Onset Nemaline Myopathy:Another Cause of Dropped Head
Muscle & Nerve 22:1146-1150, Lomen-Hoerth,C.,et al, 1999
Head Drop in Huntington Disease: Insights into the Pathophysiology
Neurol 81:769-770, Morgante, F.,et al, 2013