Sensory Irritative PhenomenaBing's Local Diagnosis in Neurological Diseases, C. V. Mosby, Co, St. Louis, 5th Ed, p. 80, Haymaker,W., 1969
Tabes DorsalisNeurology, Charles C. Thomas, Publ, 6th Ed, p. 1082, Grinker,R.R.&Sahs,A.L., 1966