1. The otolaryngologic presentation of amyotrophic lateral sclerosis;Carpenter;Trans Am Acad Ophthalmol Otol,1978
2. Clinical validity of central auditory tests;Jerger;Scand Audiol,1975
3. Motor speech signs in neurologic disease;Darley;Med Clin North Am,1968
4. Esophageal motility in amyotrophic lateral sclerosis;Smith;Proc Staff Meet Mayo Clin,1957