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Tanaka, Hideaki; Koenig, Thomas; Pascual-Marqui, Roberto D.; Hirata, Koichi; Kochi, Kieko; Lehmann, Dietrich (2000). Event-related potential and EEG measures in Parkinson's disease without and with dementia. Dementia and geriatric cognitive disorders, 11(1), pp. 39-45. Karger 10.1159/000017212
