Posttraumatic Torticollis
Arch Neurol 48:221-223, Truong,D.D.,et al, 1991
Acute Spinal Cord Compression
NEJM 376:1358-1369, Ropper, A.E. & Ropper, A.H., 2017
Causes of Recurrent Laryngeal Nerve Paralysis
Arch Otolaryngol 102:259-261, Titche,L.L., 1976