RT Journal Article SR Electronic T1 A SYNDROME OF CONTINUOUS MUSCLE-FIBRE ACTIVITY JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 319 OP 325 DO 10.1136/jnnp.24.4.319 VO 24 IS 4 A1 Isaacs, Hyam YR 1961 UL http://jnnp.bmj.com/content/24/4/319.abstract AB