Poirier Louis J., Sourkes Theodore L., Bedard Paul J. The extrapyramidal system and its disorders 6th IN symposium on parkinson's disease. - - Newyork Raven Press 1979 - 528 p. 26 cm. - Advances in neurology.vol.24 . Basal Ganglia Diseases, Parkinson's Diseases, Extrapyramidal Tracts -Congresses ISBN: 0890043698 Subjects--Topical Terms: Extrapyramidal Tracts -CongressesParkinson's DiseasesBasal Ganglia Diseases Dewey Class. No.: SERIAL / ADV