Sleep Medicine
Volume 4, Issue 4 , Pages 339-342, July 2003

Excessive daytime sleepiness in Parkinson's disease as assessed by Epworth Sleepiness Scale (ESS)

Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India

Received 22 February 2002; received in revised form 20 November 2002; accepted 21 November 2002.

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PII: S1389-9457(03)00105-9

doi:10.1016/S1389-9457(03)00105-9

Sleep Medicine
Volume 4, Issue 4 , Pages 339-342, July 2003

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