Journal of the Neurological Sciences
Volume 194, Issue 1 , Pages 49-53, 15 February 2002

Cognitive impairment in Parkinson's disease revealed by event-related potential N270

Department of Neurology, Xuanwu Hospital, Capital University of Medical Sciences, Beijing 100053, People's Republic of China

Received 26 June 2001; received in revised form 22 August 2001; accepted 15 November 2001.

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PII: S0022-510X(01)00674-8

Journal of the Neurological Sciences
Volume 194, Issue 1 , Pages 49-53, 15 February 2002

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