RT Journal Article SR Electronic T1 The Electromyographer's Handbook 2nd Edition JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 184 OP 184 DO 10.1136/jnnp.53.2.184-b VO 53 IS 2 A1 M Hayward YR 1990 UL http://jnnp.bmj.com/content/53/2/184.3.abstract AB