1. Agate, F. J. jr., L.J. Doshay, and F. K. Curtis, Quantitative measurement of therapy in paralysis agitans. J. A. M. A. 160, 352–354 (1956).
2. Alajouanine, T., O. Sabouraud et F. Gremy, Etude oscillographique de la parole dans la maladie de Parkinson. Effets précoces de la coagulation pal-lidale. Rev. franç. Et. clin. biol. 9, 411–419 (1964).
3. April, R. S., Observations on parkinsonian tremor in all-night sleep. Neurology 16, 720–724 (1966).
4. Babinski, J., Kinésie paradoxale, mutisme parkinsonien. Rev. neurol. 37, 1266–1269 (1921).
5. Barbeau, A., The problem of measurement of akinesia. J. Neurosurg. 24, suppl., 331–334 (1966).