Friedreich Ataxia
In Rowland, L. P. Merritt's Textbook of Neurology, 8th Ed, Lea & Febiger, Phila, Ch 13, p627, Rosenberg,R.N., 1989
Isaac Syndrome with Laryngeal Involvement:An Unusual Presentation of Myokymia
Neurol 29:1612-1615, Jackson,D.L.,et al, 1979
Mucopolysaccaridosis IV (Morquio Syndrome) , in Heritable Disorders of Connective Tissue
(Ed) 4th Ed, The C. V. Mosby Co, St. Louis, p. 583, McKusick,V.A., 1972