Involvement of Upper-Airway Muscles in Extrapyramidal Disorders
NEJM 311:438-442, Vincken,W.G.,et al, 1984
Retropharyngeal Abscess
Emedicine.medscape.com Jan, Kahn, J.H. & Shlamovitz, G.Z., 2017
Avoidable Factors Contributing to Death of Children with Head Injury
BMJ 300:87-91, Sharples,P.M.,et al, 1990