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Original article
‘Staircase’ square-wave jerks in early Parkinson's disease
  1. Correspondence to Dr Aasef G Shaikh, Department of Neurology, The Johns Hopkins University, 600 North Wolfe Street, Path. 2-210, Baltimore, MD 21287, USA; ashaikh{at}
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Shaikh AG, Xu-Wilson M, Grill S, et al
‘Staircase’ square-wave jerks in early Parkinson's disease

Publication history

  • Accepted May 16, 2010
  • First published August 7, 2010.
Online issue publication 
April 19, 2011

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