RT Journal Article SR Electronic T1 Six issues in muscle disease JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 603 OP 607 DO 10.1136/jnnp-2017-315771 VO 88 IS 7 A1 Michael Swash YR 2017 UL http://jnnp.bmj.com/content/88/7/603.abstract AB