The NINCDS Parkinson's disease research program Auteurs : National Institute of Neurological and Communicative Disorders and Stroke ; Editeurs : [Bethesda, Md.] U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health for sale by the Supt. of Docs., U.S. Govt. Print. Off ; Date d'édition : [19..]-[19..]