Retropharyngeal Abscess
Emedicine.medscape.com Jan, Kahn, J.H. & Shlamovitz, G.Z., 2017
Neck-Cracker Neuropathy
NEJM 318:1072, Nelson,K.R.&Tibbs,P., 1988
Accessory Nerve Palsy
JNNP 40:1113, Olarte,M.,et al, 1977
Iatrogenic Nerve Injuries
Neurol Clinics 16:55-82, Wilbourn,A.J., 1998