RT Journal Article SR Electronic T1 NEW DEVELOPMENTS IN ELECTROMYOGRAPHY AND CLINICAL NEUROPHYSIOLOGY. Vols 1-3 JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 119 OP 119 DO 10.1136/jnnp.37.1.119 VO 37 IS 1 A1 J. A. Simpson YR 1974 UL http://jnnp.bmj.com/content/37/1/119.1.abstract AB