Myotonic Dystrophy: Etiology, Clinical Features, and Diagnosis
UptoDate 2022 Jan, Darras, B.T., 2022
Clinicopathologic Conference, Tay-Sacks Disease (GM2, Gangliosidosis)
NEJM 370:1830-1841, Case 14-2014, 2014
Isolated Neck Extensor Myopathy:A Common Cause of Dropped Head Syndrome
Neurol 46:917-921, Katz,J.S.,et al, 1996