Diagnosis and Management of Motor Neurone DiseaseBMJ 336:658-662, McDermott,C.J. &Shaw,P.J., 2008
Dysphagia in Patients with the Post-Polio SyndromeNEJM 324:1162-1167, 1206-12071991., Sonies,B.C.&Dalakas,M.C., 1991