1. Le demenze;Bini, L.;Dis. nerv. Syst,1948
2. Hill, D. (1948). Proc. roy. Soc. Med., 41, 242.
3. Hill, D. (1955). In Recent Advances in Neurology and Psychiatry, 6th ed., by Brain, Sir Russell and Strauss, E. E. Churchill, London.
4. Letemendia, F., and Pampiglione, G. (1956). Electroenceph. clin. Neurophysiol., 8, 345.
5. Personal communication;Liddell, D.W.,1956