Axial Myopathy in Myasthenia: A Misleading Cause of Dropped Head
Muscle Nerve 29:329-330, Rodolico,C.,et al, 2004
Isolated Neck Extensor Myopathy:A Common Cause of Dropped Head Syndrome
Neurol 46:917-921, Katz,J.S.,et al, 1996
The Dropped Head Syndrome
Neurol 42:1625-1627, Suarez,G.A.&Kelly,J.J., 1992