Duvoisin, R. C. (1984). Parkinson's disease: A guide for patient and family (3rd ed.). Raven Press.
Chicago-viite (17. p.)Duvoisin, Roger C. Parkinson's Disease: A Guide for Patient and Family. 3rd ed. New York: Raven Press, 1984.
MLA-viite (9. p.)Duvoisin, Roger C. Parkinson's Disease: A Guide for Patient and Family. 3rd ed. Raven Press, 1984.
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