Viral Infections of the Nervous System, Chronic Meningitis, and Prior Diseases, Acute Anterior Poliomyelitis
Adams & Victors Principles of Neurology, Chp 33, pg 763, Ropper, A.H.,et al, 2014
Dysphagia in Patients with the Post-Polio Syndrome
NEJM 324:1162-1167, 1206-12071991., Sonies,B.C.&Dalakas,M.C., 1991